WO2004040325A1 - 接続ユニット、被測定デバイス搭載ボード、プローブカード、及びデバイスインタフェース部 - Google Patents
接続ユニット、被測定デバイス搭載ボード、プローブカード、及びデバイスインタフェース部 Download PDFInfo
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- WO2004040325A1 WO2004040325A1 PCT/JP2003/013595 JP0313595W WO2004040325A1 WO 2004040325 A1 WO2004040325 A1 WO 2004040325A1 JP 0313595 W JP0313595 W JP 0313595W WO 2004040325 A1 WO2004040325 A1 WO 2004040325A1
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- board
- socket
- connection unit
- connector
- test
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Classifications
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01L—SEMICONDUCTOR DEVICES NOT COVERED BY CLASS H10
- H01L22/00—Testing or measuring during manufacture or treatment; Reliability measurements, i.e. testing of parts without further processing to modify the parts as such; Structural arrangements therefor
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
- G01R31/00—Arrangements for testing electric properties; Arrangements for locating electric faults; Arrangements for electrical testing characterised by what is being tested not provided for elsewhere
- G01R31/28—Testing of electronic circuits, e.g. by signal tracer
- G01R31/2851—Testing of integrated circuits [IC]
- G01R31/2886—Features relating to contacting the IC under test, e.g. probe heads; chucks
- G01R31/2889—Interfaces, e.g. between probe and tester
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
- G01R31/00—Arrangements for testing electric properties; Arrangements for locating electric faults; Arrangements for electrical testing characterised by what is being tested not provided for elsewhere
- G01R31/28—Testing of electronic circuits, e.g. by signal tracer
- G01R31/317—Testing of digital circuits
- G01R31/3181—Functional testing
- G01R31/319—Tester hardware, i.e. output processing circuits
- G01R31/31903—Tester hardware, i.e. output processing circuits tester configuration
- G01R31/31905—Interface with the device under test [DUT], e.g. arrangements between the test head and the DUT, mechanical aspects, fixture
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01L—SEMICONDUCTOR DEVICES NOT COVERED BY CLASS H10
- H01L2224/00—Indexing scheme for arrangements for connecting or disconnecting semiconductor or solid-state bodies and methods related thereto as covered by H01L24/00
- H01L2224/01—Means for bonding being attached to, or being formed on, the surface to be connected, e.g. chip-to-package, die-attach, "first-level" interconnects; Manufacturing methods related thereto
- H01L2224/10—Bump connectors; Manufacturing methods related thereto
- H01L2224/15—Structure, shape, material or disposition of the bump connectors after the connecting process
- H01L2224/16—Structure, shape, material or disposition of the bump connectors after the connecting process of an individual bump connector
- H01L2224/161—Disposition
- H01L2224/16151—Disposition the bump connector connecting between a semiconductor or solid-state body and an item not being a semiconductor or solid-state body, e.g. chip-to-substrate, chip-to-passive
- H01L2224/16221—Disposition the bump connector connecting between a semiconductor or solid-state body and an item not being a semiconductor or solid-state body, e.g. chip-to-substrate, chip-to-passive the body and the item being stacked
- H01L2224/16225—Disposition the bump connector connecting between a semiconductor or solid-state body and an item not being a semiconductor or solid-state body, e.g. chip-to-substrate, chip-to-passive the body and the item being stacked the item being non-metallic, e.g. insulating substrate with or without metallisation
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01L—SEMICONDUCTOR DEVICES NOT COVERED BY CLASS H10
- H01L2224/00—Indexing scheme for arrangements for connecting or disconnecting semiconductor or solid-state bodies and methods related thereto as covered by H01L24/00
- H01L2224/01—Means for bonding being attached to, or being formed on, the surface to be connected, e.g. chip-to-package, die-attach, "first-level" interconnects; Manufacturing methods related thereto
- H01L2224/10—Bump connectors; Manufacturing methods related thereto
- H01L2224/15—Structure, shape, material or disposition of the bump connectors after the connecting process
- H01L2224/16—Structure, shape, material or disposition of the bump connectors after the connecting process of an individual bump connector
- H01L2224/161—Disposition
- H01L2224/16151—Disposition the bump connector connecting between a semiconductor or solid-state body and an item not being a semiconductor or solid-state body, e.g. chip-to-substrate, chip-to-passive
- H01L2224/16221—Disposition the bump connector connecting between a semiconductor or solid-state body and an item not being a semiconductor or solid-state body, e.g. chip-to-substrate, chip-to-passive the body and the item being stacked
- H01L2224/16225—Disposition the bump connector connecting between a semiconductor or solid-state body and an item not being a semiconductor or solid-state body, e.g. chip-to-substrate, chip-to-passive the body and the item being stacked the item being non-metallic, e.g. insulating substrate with or without metallisation
- H01L2224/16235—Disposition the bump connector connecting between a semiconductor or solid-state body and an item not being a semiconductor or solid-state body, e.g. chip-to-substrate, chip-to-passive the body and the item being stacked the item being non-metallic, e.g. insulating substrate with or without metallisation the bump connector connecting to a via metallisation of the item
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01L—SEMICONDUCTOR DEVICES NOT COVERED BY CLASS H10
- H01L2924/00—Indexing scheme for arrangements or methods for connecting or disconnecting semiconductor or solid-state bodies as covered by H01L24/00
- H01L2924/0001—Technical content checked by a classifier
- H01L2924/00014—Technical content checked by a classifier the subject-matter covered by the group, the symbol of which is combined with the symbol of this group, being disclosed without further technical details
Definitions
- the present invention relates to a test device.
- the present invention relates to a board for mounting a device under test, which is generally called a performance board, a probe card, or a socket board, and is used for mounting a device under test (DUT). It relates to the structure of the connection unit that connects the board and the test equipment body.
- This application is related to the following Japanese patent application. For those designated countries that are allowed to be incorporated by reference to the literature, the contents described in the following application are incorporated into this application by reference, and are incorporated as part of the description of this application.
- FIG. 14 shows an outline of the configuration of the IC test apparatus. First, the configuration of the IC test apparatus will be briefly described with reference to FIG.
- the IC test equipment is roughly divided into a mainframe 1, a test head 2, and a device interface (DUT interface) 3, and the mainframe 1 and the test head 2 are connected by a cable 4, and the device interface Part 3 is mounted on and connected to test head 2.
- DUT interface device interface
- the device interface unit 3 includes a mother board (mother board unit) 10 having a board 11 and a large number (for example, thousands) of cables 12 and a board generally called a performance board. It consists of a measurement device mounting board 20 and an IC socket 3 20.
- the board 11 has a connector for connecting to the test head 2 on its lower surface (Fig. (Not shown).
- the lower end of the cable 12 is soldered to the board 11 or connected via a connector, and the upper end is connected to the device mounting board 20 via a connector or the like (not shown). .
- one IC socket 320 is mounted on the device mounted board 20 in this example.
- reference numeral 40 denotes a device to be measured (IC to be measured) mounted on the IC socket 320.
- Reference numeral 13 denotes a cover for covering the cable 12.
- Figure 15 shows the conventional configuration of the device-under-test mounting board 20 and the device-under-test 40 with respect to the device-under-test mounting board 20 and the connector (the upper end of the cable 12) in the IC test apparatus having the above configuration.
- the device to be measured mounting board 20 has a multilayer printed wiring board structure, and required electrode pads 21 and 22 are provided on the upper and lower surfaces thereof for connection of the device to be measured 40 and connector 15 respectively. Is formed.
- the corresponding electrode pads 21 and 22 on the upper and lower surfaces are formed with through holes 23 at the electrode pads 21 and 22 respectively, and the through holes 23 are connected by the inner wiring pattern 24.
- the conventional device mounting board 20 to be measured has a multilayer printed wiring board structure in which through holes 23 are used to connect the electrode pads 21 and 22 to the inner wiring pattern 24. (For example, see Non-Patent Document 1). Arrows in FIG. 14 indicate the flow of electric signals.
- the speed of the test is increased, and a high-speed signal of, for example, 4 Gbps is used in the high-speed test of the device under test.
- the part unnecessary as a transmission line is called a stub part.
- the capacitance of this stub part 25 becomes a problem, causing waveform distortion and capacitive reflection.
- the signal quality has been impaired, and the problem of not being able to cope with high-speed signals has become evident in conventional ports 20 with devices under test.
- One object of the present invention is to provide a board with a device to be measured with reduced stub capacity and capable of responding to high-speed signals in view of this problem.
- the purpose is to provide a device interface section of the IC test equipment.
- a test apparatus for generating a test signal a performance board on which the electronic device is mounted, and a connection unit for electrically connecting the test apparatus and the performance board.
- the performance board and the connection unit are provided with mating connectors facing each other, and the connector on the connection unit receives the test signal from the test equipment and tests the electronic device via the connector on the performance board. Supply signal.
- connection unit and the connector on the performance board are fixed at predetermined positions on the connection unit and the performance board, respectively.
- are electrically connected for example, see Patent Document 1).
- each connector is provided near the outermost periphery of the connection unit and the performance board.
- the connector on the connection unit side is fixed, it has been difficult to connect a performance board with a different connector position to the connection unit. Therefore, it is necessary to prepare connection units each having a connector arrangement corresponding to each of the performance boards having different connector positions.
- connection unit side when supplying a high-frequency test signal to an electronic device, it is necessary to arrange a performance board connector near the electronic device in order to shorten the transmission line length from the performance board connector to the electronic device. . in this case,
- the connector on the connection unit side also needs to be arranged corresponding to the position of the connector on the performance socket, but since the conventional connection unit side connector is fixed, the connection unit for high-frequency signals must be connected. I had to prepare.
- an object of the present invention is to provide a connection unit, a device-under-test measurement board, a probe card, and a device interface unit which can solve the above-mentioned problems.
- This object is achieved by a combination of features described in the independent claims.
- the dependent claims define further advantageous embodiments of the present invention.
- Patent Literature 1 Japanese Patent Application Laid-Open No. 2000-81 4 61 (P. 5, FIG. 12)
- a device mounting board on which an IC socket is mounted and a test apparatus for testing an electronic device held in the IC socket are electrically connected.
- a connection unit to be connected, a holding substrate provided facing the device mounting port, and a performance board side provided on the holding substrate so that the position on the holding substrate can be changed and provided on the device mounting board A connection unit comprising a connector and a connection cut side connector to be connected.
- the holding board may have a structure that can move and hold the connector on the connection unit side to a position corresponding to the different installation position.
- connection board side connector can be attached to and detached from the holding board provided in the connection unit.
- the connection unit side connector is removed from the holding board, and other devices to be measured with different performance board side connector placement positions.
- the holding substrate may have a structure that can be replaced by another holding substrate having an arrangement relationship corresponding to the mounting board.
- the connection unit preferably includes a plurality of connection unit side connectors provided on the holding substrate so that the distance between the connection units can be changed.
- the connection unit side connector is I when the connection unit is connected to the device mounting board. The distance with respect to the position of the socket may be provided so as to be changeable.
- connection unit further includes a connection cable having one end fixed to the connection unit side connector and a connection cable for electrically connecting the connection unit side connector and the test apparatus, and the holding board holds the connection side unit side connector.
- the connection unit side connector may have a through hole at a position where the connection unit side connector is to be connected.
- connection unit further includes a connection cable having one end fixed to the connection unit side connector, and a connection cable for electrically connecting the connection unit side connector and the test apparatus, and the holding substrate is capable of changing the connection unit side connector. It may have a through hole provided between a plurality of positions and through which the connection cable passes.
- the holding substrate can be changed in both the radial and circumferential directions around the mounting position of the IC socket when the connection unit and the device-under-test mounting board are connected.
- the connector may be held.
- the cross sections of the IC socket and the connection unit side connector in a plane substantially parallel to the holding substrate are each rectangular, and the connection unit side connector is held at a position closest to the mounting position of the IC socket in the radial direction.
- the holding board may hold the connection unit side connector such that the long side of the cross section of the connection unit side connector faces the closest side of the cross section of the IC socket.
- the holding board may be provided at a plurality of predetermined positions on the holding board, respectively, and may have a plurality of connector positioning members for specifying a position where the connection unit side connector can be changed.
- the connector on the connection unit side has one of a groove and a projection that fit together, the plurality of connector positioning members have the other of the groove and the projection, and the holding board is a connector on the connection cut side.
- the connection unit side connector may be held by fitting the groove or projection of the connector with the groove or projection of the connector positioning member.
- the device mounting board mounts a plurality of IC sockets, the connection kit includes a plurality of connection unit side connectors provided corresponding to the plurality of IC sockets, and the holding substrate includes a plurality of holding boards. Each of the connectors on the connection unit side may be held so that the position on the holding board can be changed.
- connection unit is provided on the holding substrate, and has a small-diameter performance board positioning member that determines a position to hold the measurement target board having a diameter smaller than a predetermined size, and a small-diameter performance board on the holding substrate.
- a large-diameter performance board positioning member which is provided at a position farther from the IC socket mounting position than the board positioning member and has a diameter larger than a predetermined size and defines a position to hold a device mounting board to be measured. Further provision may be made.
- a device mounting board under test for electrically connecting an electronic device and a test apparatus for testing the electronic device, wherein the IC socket for holding the electronic device and the IC socket are provided.
- the socket board to be held, the test signal to be supplied to the electronic device from the test equipment, and the high-frequency signal connector to be supplied to the IC socket, and the high-frequency signal connector are provided farther from the IC socket than the high-frequency signal connector.
- a board for mounting a device under test comprising: a connector for receiving a signal having a lower frequency than the test signal supplied to the IC socket by the connector for test from the test apparatus; and a connector for a low-frequency signal supplied to the IC socket.
- the socket board is electrically connected to the low-frequency signal connector, electrically connected to the high-frequency signal connector, and the middle layer that does not reach the upper surface of the socket board from the lower surface of the socket board where the high-frequency signal connector is provided.
- the high-frequency single-sided hole formed up to the position, and the socket substrate is provided on the outer peripheral side of the socket substrate with respect to the high-frequency single-sided hole and the lower surface of the socket substrate on which the low-frequency signal connector is provided. And a low-frequency through-hole that penetrates to the upper surface on which is mounted.
- the socket board is electrically connected to the high-frequency signal pins of the electronic device, and is provided at a high-frequency through hole penetrating from the upper surface to the lower surface of the socket board.
- the low frequency of electronic devices A low-frequency single-sided hole electrically connected to the wave signal pin and formed from an upper surface of the socket substrate to a middle layer position not reaching the lower surface of the socket substrate may be further provided.
- wiring is formed on a plurality of layers in the depth direction, and formed on any of the plurality of layers, and a low-frequency signal for electrically connecting the low-frequency through hole and the low-frequency single-sided hole.
- High-frequency signal formed on the lower surface side of the socket board from the layer on which the low-frequency signal wiring is formed, and electrically connects the high-frequency single-sided hole and the high-frequency through-hole among the plurality of layers. Wiring may be further provided.
- a device mounting board under test for electrically connecting an electronic device and a test apparatus for testing an electronic device
- the socket substrate has wiring formed on a plurality of layers
- a connector provided on a lower surface of the socket board for receiving a test signal supplied to the electronic device from a test apparatus
- the socket board is formed on any layer of the socket board and transmits a test signal to the electronic device.
- the lower GND wiring connected to the ground potential and the lower surface of the socket are formed from the lower surface of the socket to the upper surface of the socket.
- the horizontal distance between at least a part of the plurality of upper-layer GND wirings and the single-sided hole is the horizontal distance between the lower-layer GND wiring and the single-sided hole.
- a device mounted port equipped with a device to be measured.
- the horizontal distance between the upper-layer GND wiring closest to the signal wiring and the single-sided hole among the multiple upper-layer GND wirings is almost the same as the horizontal distance between the lower-layer GND wiring and the single-sided hole. It is preferable that the distance between the upper-layer GND wiring and the one-sided hole in the horizontal direction is smaller.
- the single-sided hole may be formed from the lower surface of the socket to a middle layer position that does not reach the upper surface of the socket.
- a device mounting board under test for electrically connecting an electronic device and a test apparatus for testing the electronic device, wherein wiring is provided in a plurality of layers.
- a socket board formed on the socket board; and a connector provided on a lower surface of the socket board for receiving a test signal supplied to the electronic device from a test apparatus.
- Wiring for signal transmission to the electronic device a single-sided hole formed from the lower surface of the socket to a middle layer position that does not reach the upper surface of the socket, and electrically connecting the connector and the signal wiring; and a signal wiring.
- the single-sided hole When a single-sided hole is extended to the upper surface of the socket substrate in a plurality of different layers, the single-sided hole is formed in a region other than a region where the single-sided hole is formed, and has a plurality of GND lines connected to the ground potential. To provide a device mounting board under test.
- a board used for interfacing an electric signal for testing a device under test in an IC test apparatus having a multi-layer printed wiring board structure and an inner layer wiring pattern. Either one of the two ends is connected to the through horn and connected to the remaining force (Surface Buried Via Hole), and ground layers are provided above and below so as to sandwich the inner wiring pattern layer.
- the ground layer around the SVH In order to reduce the deterioration of transmission characteristics due to the presence of the stub part of the SVH, the distance between the stub part and the ground layer is formed, and the connected SVH, inner layer wiring pattern, and through hole form the front and back surfaces.
- a board for mounting a device under test characterized in that wiring between them is configured.
- the device mounting board to be measured is provided with a multi-layer printed circuit board having a multi-layer structure having an inner wiring pattern layer and a ground layer.After bonding at least two multi-layer printed circuit boards, one of both ends of the inner layer wiring pattern is attached.
- a multi-layer printed wiring board is formed by forming through holes that are connected to the internal wiring pattern, and the predetermined through holes formed at the stage of the multi-layer printed circuit board are applied as SVHs that are connected to the other end of the inner layer wiring pattern.
- a predetermined characteristic impedance may be formed based on the conductor width of the extension wiring pattern and the distance between the upper and lower ground layers.
- an electric device for testing the device under test is provided in a device interface section of an IC test apparatus for interfacing an electric signal passing between a test head and a device under test.
- the device mounting board to be used has a multilayer printed wiring board structure, and one of both ends of the inner layer wiring pattern is connected to the through hole, and the other is connected to the SVH (Surface Buried Via Hole).
- SVH Surface Buried Via Hole
- Ground layers are provided above and below so as to sandwich the Torii's pattern layer, and the ground layer around the SVH is designed to reduce the deterioration of transmission characteristics due to the presence of the SVH stub.
- FIG. 1 is a diagram for explaining a first embodiment of a device-under-test mounting board according to the present invention.
- FIG. 2 is a view for explaining a second embodiment of the device-under-test mounting board according to the present invention.
- FIG. 3 is a view for explaining a third embodiment of a board for mounting a device to be measured according to the present invention.
- FIG. 4 is a diagram for explaining various configuration examples of the device interface unit of the IC test apparatus.
- FIG. 4 (a) shows an example of the configuration of the device interface unit
- FIG. 4 (b) shows another example of the configuration of the device interface unit.
- FIG. 5 is a diagram illustrating an example of a detailed configuration of the performance board 300, which is an example of a device mounting board.
- FIG. 6 is a diagram showing an example of an enlarged view of a cross section of the socket substrate 350. As shown in FIG. FIG. 6A shows an example of an enlarged view in the vicinity of the low-frequency through hole 374, and FIG. 6B shows another example of the enlarged view in the vicinity of the low-frequency through hole 374. Figure 6 (c) shows the high An example of an enlarged view near the single-sided hole 382 for frequency is shown.
- FIG. 7 is a diagram showing an example of a measurement result of a reflection component generated in each of the examples described in FIG.
- FIG. 8 is a diagram showing another example of an enlarged view near the single-sided hole 382 for high frequency.
- FIG. 9 is a diagram showing an example of a detailed configuration of a probe card 400, which is an example of a device mounting board.
- FIG. 10 is a diagram illustrating a test of an electronic device.
- FIG. 11 is a diagram illustrating an example of a top view of the holding substrate 30.
- FIG. 12 is a diagram showing an example of a cross section of the holding board 30 and the connection tub side connector 64.
- FIG. 13 is a diagram showing another example of a top view of the holding substrate 30.
- FIG. 13 is a diagram showing another example of a top view of the holding substrate 30.
- FIG. 14 is a diagram for explaining the overall configuration of the IC test apparatus.
- FIG. 15 is a diagram for explaining a conventional structure of a device mounting board. C Best Mode for Carrying Out the Invention
- FIG. 1 schematically shows an embodiment of a device-under-test mounting board according to the present invention.
- the portions corresponding to those in FIG. 15 are denoted by the same reference numerals, and detailed description thereof will be omitted.
- the board 50 to be measured having a multilayer printed wiring board structure is connected to the electrode pads 21 and 22 on the upper and lower surfaces of the board 50 and the inner wiring pattern 24 by the through holes 23 and the SVH (Surface). Buried Via Hole) 51.
- each of the inner wiring patterns 24 is connected to the through hole 23, and the other end is connected to the SVH 51, and the connected SVH 51, the inner wiring pattern 24 and Wiring between the corresponding electrode pads 21 and 22 on the upper and lower surfaces is formed by the through hole 23.
- Fig. 1 schematically shows three inner layer wiring patterns 24, two of which are SVH 51 formed on the electrode pad 21 for connecting the device under test 40. The remaining one has SVH 51 formed on the electrode pad 22 for connecting the connector 15.
- Which side of the both ends of the inner wiring pattern 24 is provided with the SVH 51 takes into consideration the wiring position of the inner wiring pattern 24, the pitch of the electrode pads 21 on the device under test 40 connection side, and the like. Selected as appropriate.
- the SVH 51 is employed at one of the two ends of the inner layer wiring pattern 24, so that the conventional device shown in FIG.
- the length of the stub part 25 can be shortened by the use of the SVH 51, and the capacity of the stub part 25 can be reduced, so that the signal speed is increased. Can be handled.
- the chain double-dashed line indicates the bonded portion (bonded surface) 52.
- FIG. 2 shows another embodiment of the device-under-test mounting board according to the present invention, in which, for example, it is necessary to mount a resistance element or the like on a part of the inner layer wiring pattern 24, and an SVH 51 This is an example of the provision.
- 53 indicates an element such as a resistance element.
- the element 53 is mounted on a pair of electrode pads 54 on which the SVH 51 is formed.
- the device-to-be-measured board 55 as shown in FIG. 2 is also used according to the required specifications.
- the device mounting board 55 can be manufactured by the same manufacturing method as the manufacturing method of the device mounting board 50 described above.
- FIG. 3 differs from the structure of the device-under-test mounting boards 50 and 55 shown in FIGS. 1 and 2 in that a third wiring board is provided between two wiring boards having via holes to form the SVH 51.
- This figure shows the device-under-test mounting board 56 with a structure in which these three wiring boards are interposed, and if such a structure is adopted, the device under test shown in FIG.
- the capacity of the stap portion 25 can be further reduced as compared to the port 50 equipped with depises.
- the above-mentioned boards 50, 55 and 56 mounted on the device to be measured are called performance boards in the device interface section 3 of the IC test apparatus shown in FIG.
- the structure of part 3 is not limited to the structure shown in Fig. 14, but some other structures may be used depending on the use and application of the IC test equipment.
- FIGS. 4A and 4B show other examples of the configuration of the device interface unit 3 together with the test head 2, and these configurations will be briefly described below.
- the device interface section 3 is a performance board 60, a number of cables 12 similar to those in FIG. 14, a plurality of devices under test mounting boards 57 commonly called socket boards, and an IC. It consists of socket 320.
- the performance board 60 has a connector (not shown) for connection to the test head 2 on the lower surface thereof, and is connected to the test head 2 and mounted on the test head 2.
- the position of the board called the performance board is different from that in Fig. 14.
- the device interface unit 3 is composed of a mother board (mother board unit) 70 composed of a large number of cables 12 and, similarly to FIG. 4 (a), a plurality of socket boards. And the IC sockets 320 mounted on the device-under-installation boards 57 respectively.
- the cable 12 has connectors (not shown) at its lower and upper ends, respectively.
- the lower end is directly connected to the test head 2 and the upper end is connected to the device under test mounting board 57. It is something to be done.
- the structure of the device mounting port according to the present invention as shown in FIGS. 1 to 3 is the same as that of the device interface of the device interface 3 shown in FIGS. 4 (a) and 4 (b). The same can be applied to the device mounting board 57, which can support high-speed signals.
- FIG. 5 is a diagram showing an example of a detailed configuration of a performance board 300, which is an example of a device-equipped device mounted port.
- FIG. 5 shows a cross-sectional view of the performance board 300.
- the performance board 300 has the same or similar function and configuration as the board under test (50, 55, 56, and 57) described with reference to FIGS.
- the electronic device 310 (device under test 40) is electrically connected to a test apparatus for testing the electronic device 310.
- the performance board 300 includes an IC socket 320, a socket board 350, a plurality of high-frequency signal connectors 370, and a plurality of low-frequency signal connectors 372.
- the IC socket 320 holds the electronic device 310 and electrically connects each pin of the electronic device 310 to each pin of the performance board 300.
- the socket board 350 holds the IC socket 320 on the upper surface of the socket board 350, and is electrically connected to the electronic device 310 via the IC socket 320.
- the socket substrate 350 is electrically connected to a test apparatus 200 (see FIG. 10) via a connection unit 100 (see FIG. 10).
- the plurality of high-frequency signal connectors 37 0 and the plurality of low-frequency signal connectors 37 2 are provided on the lower surface of the socket board 350 and are used to connect test strip signals to be supplied to the electronic device 310. 0 and received from the test apparatus 200 via the socket board 350 and the IC socket 3200 to the electronic device 310.
- the surface facing the electronic device 310 is described as the upper surface, and the surface facing the test apparatus 200 is described as the lower surface, but in other examples, Alternatively, the surface facing the test apparatus 200 may be the upper surface, and the surface facing the electronic device 310 may be the lower surface.
- the low-frequency signal connector 372 is provided farther from the IC socket 370 than the high-frequency signal connector 370, and the high-frequency signal connector 370 is supplied to the IC socket 322. A signal having a lower frequency than the test signal to be received is received from the test apparatus 200 via the connection unit 100.
- a low-frequency signal wiring 376, a high-frequency signal wiring 380, and a GND wiring are formed in a plurality of layers in the depth direction. Wiring for low frequency signal 3
- the high-frequency signal wiring 380 are examples of the inner-layer wiring pattern 24 described with reference to FIGS.
- the socket substrate 350 includes a through hole for low frequency 37 4, a through hole for low frequency 36 2, a single-sided hole for low frequency 360, a single-sided hole for high frequency 3
- the through hole for low frequency 3 7 4, the through hole for high frequency 3 6 2, and the through hole for GND 3 8 4 are examples of the through hole 23 described with reference to FIGS. 1 to 4.
- the low-frequency single-sided hole 360 and the high-frequency single-sided hole 382 are examples of the SVH 51 described with reference to FIGS.
- the low-frequency through-hole ⁇ 374 is electrically connected to the low-frequency signal connector 372, and the socket board 350 is provided with a socket board from the lower surface where the low-frequency signal connector 372 is provided. It is provided so as to penetrate up to the upper surface on which the electronic device 310 is mounted.
- the low-frequency through-hole 374 is provided on the outer periphery of the socket substrate 350 from the high-frequency one-sided hole 382, the low-frequency one-sided hole 360, and the high-frequency through-hole 362.
- the low-frequency single-sided hole 360 is the above-described SVH 51, which is electrically connected to the low-frequency signal pin of the electronic device 310, and is connected to the socket board 350 from the upper surface. It is formed up to the middle layer position that does not reach the lower surface of the substrate 350.
- the low-frequency single-sided hole 360 is provided on the outer peripheral side of the socket substrate 350 with respect to the high-frequency through-hole 362.
- the low-frequency signal wiring 3 7 6 is connected to one of the plurality of layers of the socket substrate 3 50.
- the low-frequency through-hole 374 and the low-frequency single-sided hole 360 are electrically connected to transmit a low-frequency test signal.
- GND wirings 378 are formed in a plurality of layers, and the low-frequency signal wiring 376 is formed between any of the GND wirings 378.
- the socket substrate 350 can supply a low-frequency test signal to the electronic device 310. Also, since SVH is used as the low-frequency single-sided hole 360 for electrical connection with the IC socket 320, the area of the stub portion that does not contribute to the transmission of test signals can be reduced. Test signals can be transmitted accurately.
- the high-frequency single-sided hole 382 is the SVH 51 described above, and is electrically connected to the high-frequency signal connector 370, and the high-frequency signal connector 370 of the socket board 350 is provided. It is formed from the lower surface to the middle position that does not reach the upper surface of the socket substrate 350.
- the high-frequency through-hole 362 is electrically connected to the high-frequency signal pin of the electronic device 310 and penetrates from the upper surface to the lower surface of the socket substrate 350.
- the high-frequency signal wiring 380 is formed on the lower surface side of the socket substrate 350 from the layer on which the low-frequency signal wiring 376 is formed, of the plurality of layers of the socket substrate 350.
- the high-frequency single-sided hole 382 and the high-frequency through-hole 362 are electrically connected to transmit a high-frequency test signal.
- the high-frequency single-sided hole 3 8 2 does not interfere with the upper-layer low-frequency signal wiring 3 7 6, and the low-frequency single-sided hole 3 6 0 does not interfere with the lower-layer high-frequency signal wiring 3 8 0.
- the advantage that high-density pattern wiring can be obtained is obtained.
- a high-frequency test signal can be supplied to the electronic device 310.
- the SVH is used as the high-frequency single-sided hole 382
- the area of the stub portion that does not contribute to the transmission of the test signal can be reduced, so that the test signal can be transmitted accurately.
- the transmission path length of the high-frequency test signal is increased. Can be shortened, and the test signal can be transmitted with higher accuracy.
- the GND wiring 378 formed in a plurality of layers is a solid ground plane formed on almost the entire surface of the GND layer, and is electrically connected to the through hole 384 for GND. Connected to the ground potential.
- a plurality of through holes 384 for GND are provided on the entire surface of the socket substrate 350 at a required pitch.
- it is provided near a single-sided hole such as a high-frequency single-sided hole 382 or a through-hole.
- FIG. 6 is a diagram showing an example of an enlarged view of a cross section of the socket substrate 350. As shown in FIG.
- the GND wiring 378 is formed in a plurality of layers in the depth direction on the socket substrate 350, and the signal wiring of the low-frequency signal wiring 376 or the high-frequency signal wiring 380 is a layer between the GND wiring 378. And a characteristic impedance of, for example, 50 ⁇ . In the region where the low-frequency through-hole 374, the high-frequency single-sided hole 382, the low-frequency single-sided hole 360, and the high-frequency through-hole 362 are formed in the GND layer of the socket substrate 350, these through holes or A predetermined pattern must be formed in advance on each GND layer between the single-sided hole and GND wiring 378.
- the through hole or one-sided hole and the GND wiring 378 need to be formed with a predetermined interval.
- the diameter of the through hole or the single-sided hole is formed to be about 0.3 mm to 0.35 mm.
- FIG. 6A is a diagram illustrating an example of an enlarged view of the vicinity of the low-frequency through hole 374.
- the GND wiring 378 does not exist in a circular area of each GND layer that is concentric with the low-frequency through-hole 374 and larger in diameter than the low-frequency through-hole 374. It is formed.
- the GND wiring 378 is not formed in a circular region having a diameter of 0.75 mm, which is concentric with the low-frequency through hole 374 in each GND layer.
- FIG. 6B shows another example of an enlarged view of the vicinity of the low-frequency through hole 374.
- each GND layer is different from the example described in FIG.
- the GND wiring 378 is not formed in a circular area having a large diameter.
- the GND wiring 378 is not formed in a circular area having a diameter of 1.25 mm.
- FIG. 6 (c) is a diagram showing an example of an enlarged view near the single-sided hole 382 for high frequency.
- the single-sided holes 382 for the high-frequency single-sided holes 382 or the low-frequency single-sided holes 360 are formed without penetrating the socket substrate 350. Therefore, when the single-sided hole is extended to the upper surface or the lower surface of the socket substrate 350, the GND wiring 378 is formed in a region where the single-sided hole is formed.
- the socket substrate 350 is formed by bonding a plurality of substrates each having a single-sided hole formed as a through hole, the length of the single-sided hole (SVH) in the depth direction is constant. Become. For this reason, when electrically connected to the signal wiring in each layer having a different depth, a stub portion that does not contribute to the transmission of the test signal occurs even when the SVH is used.
- the plurality of GND wirings 378 are connected to the upper layer GND wiring 378 _ 2 formed on the upper layer side of the socket substrate 350 from the high frequency signal wiring 380 and the lower layer side of the socket substrate 350 from the high frequency signal wiring 380. And the lower layer GND wiring 377-1.
- the horizontal distance between at least a part of the plurality of upper-layer GND wires 378-2 and the high-frequency single-sided hole 382 is equal to the lower-layer GND wire 378-1 and the high-frequency single-sided hole.
- the capacitance component in the stub portion can be reduced.
- a circular area where the lower GND wiring 378-1 is not formed is formed.
- the diameter of the region is x, it is preferable that the region is formed so that X is smaller than 1.25 mm.
- the horizontal distance between the upper-layer GND wiring 3 78-2 closest to the high-frequency signal wiring 380 and the high-frequency single-sided hole 382 among the plurality of upper-layer GND wirings 378-2 is as follows.
- the horizontal distance between the lower-layer GND wiring 3 78-1 and the high-frequency single-sided hole 3 82 is almost the same, and the horizontal distance between the other upper-layer GND wiring 3 7 8-2 and the high-frequency single-sided hole 382.
- FIG. 7 is a diagram illustrating an example of a measurement result of a reflection component generated in each example described in FIG.
- the vertical axis indicates the magnitude of the reflection component
- the horizontal axis indicates the position where the reflection component occurs.
- (a) is the reflection component in the example shown in Fig. 6 (a)
- (b) is the reflection component in the example shown in Fig. 6 (b)
- (c) is that in Fig. 6 (c).
- 5 shows the magnitude of the reflection component in the example shown.
- the stub portion of the single-sided hole has a reflection component of 19.5% with respect to the test signal.
- a reflection component of 12.5% is generated for the test signal, and the distance between the single-sided hole and the GND wiring 378 is increased. It can be seen that the reflection component is reduced.
- a reflection component of 17.2% occurs for the test signal, and a single-sided hole (S VH) is used instead of a through hole. It can be seen that the reflection component is further reduced by forming the GND wiring 378 as shown in c).
- FIG. 8 is a view showing another example of an enlarged view of the vicinity of the single-sided hole 382 for high frequency.
- This example is an example in which the GND wiring 378 in the region 390 is removed. With such a configuration, the capacitance component generated between the GND wiring 378 formed above the stub and the high-frequency single-sided hole 382 is reduced, and the accuracy is further improved. Test signals can be transmitted.
- the diameter of a circular region where the GND wiring 3778 is not formed is 1.5 mm in each GND layer.
- the diameter of the circular region is preferably as large as possible except for the GND layer adjacent to the high-frequency signal wiring 380, but as described above, the through hole for GND 380 is provided on the entire surface of the socket substrate 350. 4 are formed and are adjacent to each other, so their size is limited.
- the diameter of the circular area where the GND wiring 378 is not formed in each GND layer is a predetermined margin with the GND through hole 384 formed on the entire surface of the socket substrate 350. Preferably, it is formed so as to have a maximum as long as it does not overlap.
- FIG. 9 is a diagram showing an example of the detailed configuration of the probe force 400, which is an example of the device-under-test mounting board.
- FIG. 9 shows a sectional view of the probe card 400. 5 to 8, the performance board 300 is used to electrically connect to the electronic device 310. However, instead of the performance board 300, the probe card 400 is used to connect the electronic device 310 to the electronic device 310. It may be electrically connected to 0.
- the probe card 400 has the same function and configuration as the performance board 300.
- the probe card 400 has a plurality of probe pins 3 6 electrically connected to terminals of the electronic device 3 10 instead of the IC socket 3 2 in the configuration of the performance board 3. 4 is provided.
- the socket board 350 functions as a probe board that holds the probe pins 365.
- the electronic device 310 can be tested in an unpackaged wafer shape.
- connection unit is an example of the mother port 70 described with reference to FIG.
- FIG. 10 is a diagram illustrating a test of an electronic device.
- the electronic device 310 to be tested is mounted on the performance board 300, which is an example of a device-under-test mounting board.
- Performance board 300 It has the same or similar function and configuration as the performance board 300 described in FIGS.
- the test apparatus 200 generates a test signal for testing an electronic device 310 such as a semiconductor element.
- the connection unit 100 electrically connects the test apparatus 2000 to the performance board 300 and supplies a test signal to the electronic device 310 mounted on the performance board 300. I do.
- the test apparatus 200 generates a test signal having a desired pattern corresponding to the electronic device 310, and supplies the test signal to the electronic device 310 via the connection unit 100 and the performance board 300. .
- the test apparatus 200 receives the output signal output from the electronic device 310 via the connection unit 1 and the performance board 300.
- the test apparatus 200 generates an expected value signal corresponding to the electronic device 310 and compares it with the received output signal to determine whether the electronic device 310 is good.
- the performance board 300 includes a socket board 350, an IC socket 320, a plurality of connectors 330 on the performance board side, and a plurality of signal wires 340.
- the performance board 300 holds a plurality of performance board-side connectors 330 on a surface facing the connection unit 100, and holds an IC socket 320 on the upper surface of the facing surface.
- the performance port side connector 330 is, for example, the high frequency signal connector 370 and the low frequency signal connector 372 described with reference to FIG.
- the IC socket 320 holds the electronic device 310.
- the IC socket 320 has terminals that are electrically connected to respective pins of the electronic device 310.
- the plurality of connectors 330 on the performance board side receive a test signal to be supplied to the electronic device 310 from the test apparatus 200 via the connection unit 100, and connect the signal wiring 340 to the electronic device 310.
- the output signal of the electronic device 310 is received from the IC socket 320 and supplied to the connection cut 100.
- the signal wiring 340 is the high-frequency signal wiring 380, the high-frequency single-sided hole 382, the high-frequency through-hole 362, the low-frequency through-hole 374, described in FIG. This corresponds to the low frequency signal wiring 376 and the low frequency single-sided hole 360.
- the performance board provided near the IC socket 320 The connector 330c receives a high-frequency test signal among test signals to be supplied to the electronic device 310, and functions as a high-frequency signal socket 370 supplied to the IC socket 320.
- the performance board connectors (330a, 330b) provided farther from the IC socket 320 than the performance board connector 330c are connected to the performance pod connector 33 0 c receives a signal having a lower frequency than the test signal supplied to the IC socket 320 through the connection unit 100, and receives the signal for the low-frequency signal supplied to the IC socket 320. Functions as connector 3 7 2.
- the position of the performance board connector 330 changes in accordance with the number of IC pins and the arrangement of IC pins of the electronic device 310. Also, the performance board side connector 330 for receiving a higher frequency signal is provided closer to the IC socket 320. Therefore, the distance to the IC socket 320 varies depending on the electronic device 310.
- the performance board side connectors (330a, 330b) provided far from the IC socket 320 may be used for the power supply voltage of the electronic device 310.
- the performance board 300 in this example since the performance board connector 330 is provided at a position corresponding to the frequency of the received signal, the signal is supplied to the electronic device 310 with good transmission characteristics. can do.
- a board is produced in which the position of the performance board side connector 330 is changed in accordance with the number of IC pins and the IC pin arrangement of the electronic device 310.
- the connection unit 100 includes a holding substrate 30, a plurality of connection cut-side connectors 64, and a plurality of connection cables (66 a, 66 b, 66 c).
- the holding substrate 300 is a structure that fixes a plurality of connection cut-side connectors 64 at predetermined positions, and is provided to face the performance board 300.
- the holding substrate 30 holds a plurality of connection cut-side connectors 64 on a surface facing the performance board 300.
- connection unit side connectors 64a, 64b, 64c
- the performance board connector (330a, 330b, 330) provided on the performance board 300 is provided.
- the connection unit side connector 64 can be used as it is.
- connection cable 66 One end of each connection cable 66 is fixed to the corresponding connection unit side connector 64, and the connection cable side connector 64 is electrically connected to the test apparatus 200.
- the test apparatus 200 is connected to the other end of the connection cable 66, supplies a test signal to the connection unit 100 via this connection, and connects the connection unit 100 via the connection cable 66. Then, the output signal output by the electronic device 310 is received.
- the performance board connector 330 can be connected to a plurality of types of performance boards 300 having different arrangements only by replacing the inexpensive holding board 30. be able to. For this reason, a great advantage is obtained that the plurality of connection unit-side connectors 64 can be reused repeatedly without change.
- test signal was supplied to the electronic device 310 using the performance board 300, but in another example, as described in FIG. 9, the electronic signal was supplied using the probe card 400.
- a test signal may be supplied to the device 310.
- FIG. 11 shows an example of a top view of the holding substrate 30. When the connection unit 100 is connected to the performance board 300, the electronic device 310 is placed at the placement position 312.
- a plurality of connection unit side connectors 64 are detachable, and can be moved to a plurality of arrangement positions 34.
- a plurality of arrangement positions 34 are provided on the holding board 30 so that the distance between the plurality of connection unit side connectors 64 on the holding board 30 can be changed.
- a plurality of connection unit side connectors 64 are arranged on the holding substrate 30 so that the distance from the mounting position 3 12 of the IC socket 320 can be changed.
- Positions 3 and 4 are provided Can be When a probe card is used in place of the performance board 300, the mounting position 312 of the IC socket 320 is a mounting position of the probe pin.
- the holding substrate 30 has a positioning member 42 for holding the connection unit side connector 64 at each of the arrangement positions 34.
- the connection position 34 on which the connection-side connector 64 can be changed is specified.
- the holding substrate 30 has a through-hole 32 in a position where each of the arrangement positions 34 is large enough to allow the connection unit side connector 6 4 to pass therethrough.
- the through hole 32 is provided from the surface of the holding substrate 30 facing the performance board 300 to the surface facing the test apparatus 200.
- the through holes 32 may be provided over a plurality of arrangement positions 34. That is, the openings of the through holes 32 may be provided over a plurality of arrangement positions 34.
- the opening of the through hole 32_1 shown in FIG. 11 may be connected to the opening of the through hole 32-4 to form one through hole.
- the connection unit side connector 64 is moved from the arrangement position 34-1 to the arrangement position 3 4-4, the connection cables 66 are arranged from the arrangement position 34-1 to the arrangement position 34-1-4. Since it can pass through the through hole, the position of the connector 64 on the connection unit side can be easily changed.
- the plurality of arrangement positions 34 are connected to the connection position in the radial direction and the circumferential direction with the placement position 312 of the IC socket 320 as a center. Preferably, it is provided so that the position of 64 can be changed.
- the cross sections of the IC socket 320 and the connection unit side connector 64 in a plane substantially parallel to the holding substrate 30 are rectangular.
- the holding board 30 is connected to the long side of the cross section of the connector 6 4 on the connection unit side.
- the connection unit side connector 64 so as to face the closest side of the cross section of the socket 320.
- the positioning member 42 provided at the arrangement position 34-4 is connected to the connection unit side such that the long side of the connection unit side connector 64 is substantially parallel to the closest side of the cross section of the IC socket 320. Hold the connector.
- connection unit side connector 64 A plurality of terminals are provided in the connection unit side connector 64 along the long side direction.
- the connection unit side is provided near the IC socket 320 to supply a high frequency signal.
- the connector 64 When the connector 64 is provided, the distance between each terminal and the pin of the electronic device 310 can be made substantially equal, and a signal can be supplied to the electronic device 310 with good transmission specification.
- the holding substrate 30 has a small-diameter performance board positioning member 46 and a large-diameter performance board positioning member 44.
- the small-diameter performance board positioning member 46 and the large-diameter performance port positioning member 44 are formed by a plurality of fitting protrusions provided on the surface of the holding substrate 30 facing the performance board 300. May be.
- the small-diameter performance board positioning member 46 determines a position where the performance board 300 having a diameter equal to or less than a predetermined size is to be held.
- the large-diameter performance board positioning member 44 is provided on the holding substrate 30 at a position farther from the mounting position 3 12 of the IC socket 320 than the small-diameter performance board positioning member 46. Determines the position at which the performance board 300 is to be held which is larger than a predetermined size.
- the connection unit 100 in this example it is possible to accurately connect to a plurality of types of performance boards 300 having different diameters.
- FIG. 12 shows an example of a cross section of the holding substrate 30 and the connection unit side connector 64. As described with reference to FIG.
- the holding substrate 30 has the positioning member 42 on the surface that holds the connection unit side connector 64.
- the positioning member 42 is a projection extending in the direction of the connection unit side connector 64.
- the connection unit side connector 64 has a groove 12 for fitting with the positioning member 42 on a surface facing the holding substrate 30. By fitting the positioning member 42 and the groove 12 of the connection unit side connector 64, the connection unit side connector 64 can be held on the holding substrate 30.
- the positioning member 42 may have a groove shape and the connection unit side connector 64 may have a projection.
- FIG. 13 shows another example of a top view of the holding substrate 30.
- the performance board 300 mounts two IC sockets 320.
- the connection cut 100 includes a plurality of connection cut-side connectors 64 provided corresponding to the plurality of IC sockets 320.
- the holding board 30 holds the connection unit side connector 64 corresponding to the mounting position 3 12 of each IC socket 3 20 so that the position on the holding board 30 can be changed. That is, the holding substrate 30 has the function and configuration described in FIG. 11 with respect to each of the IC sockets 320.
- the connection unit side connector 64 can be moved to a desired position by passing the connection unit side connector 64 through a through hole (not shown).
- the device mounting board according to the present invention it is possible to reduce the stub capacitance in the through-hole portion, and thus obtain a device mounting board capable of responding to high-speed signals. it can.
- connection unit of the present invention a signal can be supplied to an electronic device with good transmission characteristics by connecting to a plurality of types of performance boards or probe cards. Therefore, the electronic device can be tested with high accuracy.
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- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Computer Hardware Design (AREA)
- Microelectronics & Electronic Packaging (AREA)
- Manufacturing & Machinery (AREA)
- Power Engineering (AREA)
- Testing Of Individual Semiconductor Devices (AREA)
- Tests Of Electronic Circuits (AREA)
Abstract
Description
Claims
Priority Applications (6)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
AU2003275636A AU2003275636A1 (en) | 2002-10-31 | 2003-10-24 | Connection unit, board mounting device to be measured, probe card, and device interface unit |
JP2004548034A JP4188917B2 (ja) | 2002-10-31 | 2003-10-24 | 接続ユニット、被測定デバイス搭載ボード、プローブカード、及びデバイスインタフェース部 |
DE10392309T DE10392309T5 (de) | 2002-10-31 | 2003-10-24 | Eine Anschlusseinheit, eine Platine zum Befestigen eines Prüflings, eine Nadelkarte und eine Bauelemente-Schnittstellenpartie |
US10/800,189 US7098680B2 (en) | 2002-10-31 | 2004-03-12 | Connection unit, a board for mounting a device under test, a probe card and a device interfacing part |
US11/487,091 US7518379B2 (en) | 2002-10-31 | 2006-07-14 | Connection unit, a board for mounting a device under test, a probe card and a device interfacing part |
US12/378,856 US7791360B2 (en) | 2002-10-31 | 2009-02-20 | Connection unit, a board for mounting a device under test, a probe card and a device interfacing part |
Applications Claiming Priority (4)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2002-317287 | 2002-10-31 | ||
JP2002317287 | 2002-10-31 | ||
JP2002-338560 | 2002-11-21 | ||
JP2002338560 | 2002-11-21 |
Related Child Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
US10/800,189 Continuation US7098680B2 (en) | 2002-10-31 | 2004-03-12 | Connection unit, a board for mounting a device under test, a probe card and a device interfacing part |
Publications (1)
Publication Number | Publication Date |
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WO2004040325A1 true WO2004040325A1 (ja) | 2004-05-13 |
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Family Applications (1)
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PCT/JP2003/013595 WO2004040325A1 (ja) | 2002-10-31 | 2003-10-24 | 接続ユニット、被測定デバイス搭載ボード、プローブカード、及びデバイスインタフェース部 |
Country Status (8)
Country | Link |
---|---|
US (3) | US7098680B2 (ja) |
JP (2) | JP4188917B2 (ja) |
KR (2) | KR100717479B1 (ja) |
CN (1) | CN100344976C (ja) |
AU (1) | AU2003275636A1 (ja) |
DE (1) | DE10392309T5 (ja) |
TW (1) | TWI235238B (ja) |
WO (1) | WO2004040325A1 (ja) |
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Also Published As
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JP5143921B2 (ja) | 2013-02-13 |
CN1556928A (zh) | 2004-12-22 |
US20040174180A1 (en) | 2004-09-09 |
JPWO2004040325A1 (ja) | 2006-03-02 |
KR100717479B1 (ko) | 2007-05-14 |
US7791360B2 (en) | 2010-09-07 |
US20070024307A1 (en) | 2007-02-01 |
KR20070056158A (ko) | 2007-05-31 |
TWI235238B (en) | 2005-07-01 |
KR20050055619A (ko) | 2005-06-13 |
CN100344976C (zh) | 2007-10-24 |
DE10392309T5 (de) | 2005-01-05 |
US7518379B2 (en) | 2009-04-14 |
JP2011154033A (ja) | 2011-08-11 |
KR100905133B1 (ko) | 2009-06-29 |
JP4188917B2 (ja) | 2008-12-03 |
AU2003275636A1 (en) | 2004-05-25 |
US7098680B2 (en) | 2006-08-29 |
US20090160467A1 (en) | 2009-06-25 |
TW200416396A (en) | 2004-09-01 |
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