CN102241185B - Printing stencil positioning arrangement for screen printing unit - Google Patents

Printing stencil positioning arrangement for screen printing unit Download PDF

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Publication number
CN102241185B
CN102241185B CN201110107612.7A CN201110107612A CN102241185B CN 102241185 B CN102241185 B CN 102241185B CN 201110107612 A CN201110107612 A CN 201110107612A CN 102241185 B CN102241185 B CN 102241185B
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China
Prior art keywords
movable part
stencil positioning
positioning arrangement
stencil
position fixing
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Expired - Fee Related
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CN201110107612.7A
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Chinese (zh)
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CN102241185A (en
Inventor
D·曼茨
A·海姆
U·施韦策尔
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Manz Automation AG
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Manz Automation AG
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Publication of CN102241185A publication Critical patent/CN102241185A/en
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    • BPERFORMING OPERATIONS; TRANSPORTING
    • B41PRINTING; LINING MACHINES; TYPEWRITERS; STAMPS
    • B41FPRINTING MACHINES OR PRESSES
    • B41F15/00Screen printers
    • B41F15/08Machines
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B41PRINTING; LINING MACHINES; TYPEWRITERS; STAMPS
    • B41FPRINTING MACHINES OR PRESSES
    • B41F15/00Screen printers
    • B41F15/14Details
    • B41F15/34Screens, Frames; Holders therefor
    • B41F15/36Screens, Frames; Holders therefor flat
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B41PRINTING; LINING MACHINES; TYPEWRITERS; STAMPS
    • B41FPRINTING MACHINES OR PRESSES
    • B41F15/00Screen printers
    • B41F15/14Details
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B41PRINTING; LINING MACHINES; TYPEWRITERS; STAMPS
    • B41PINDEXING SCHEME RELATING TO PRINTING, LINING MACHINES, TYPEWRITERS, AND TO STAMPS
    • B41P2215/00Screen printing machines
    • B41P2215/10Screen printing machines characterised by their constructional features
    • B41P2215/11Registering devices
    • B41P2215/112Registering devices with means for displacing the frame
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B41PRINTING; LINING MACHINES; TYPEWRITERS; STAMPS
    • B41PINDEXING SCHEME RELATING TO PRINTING, LINING MACHINES, TYPEWRITERS, AND TO STAMPS
    • B41P2215/00Screen printing machines
    • B41P2215/50Screen printing machines for particular purposes

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  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Screen Printers (AREA)

Abstract

A filter positioning arrangement (10) which has a mobile unit (12) and a stationary unit (14) is applied for positioning a filter (16) of a screen printing unit. The filter (16) is arranged at the mobile unit, which is adjusted over an adjusting unit relative to the stationary unit. The mobile unit (12) is mounted at the stationary unit (14) over flexible elements (20,22,24,26).

Description

For the stencil positioning arrangement of serigraphy unit
Technical field
The present invention relates to a kind of stencil positioning arrangement, for silk screen (Siebe) is positioned to serigraphy unit, this device has at least one movable part and at least one position fixing part is divided, wherein silk screen can be arranged on movable part, and it can be divided and adjust with respect to position fixing part by least one guiding mechanism.
Background technology
For example, by the known such stencil positioning arrangement of DE 40 37 678 A1.
In the time utilizing silk-screen printing technique printed substrates, especially in the time of printing solar cell, can printing functionality structure, as surface contact.For this reason, substrate is positioned with respect to the silk screen of serigraphy unit.Realize by adjustable substrate fixed body mostly the location of substrate.Must make substrate one by one locate and be fixed on adjustable substrate fixed body for this reason.This location of substrate has obviously reduced the efficiency in the time of printed substrates.
The other method of location is, the position of stationary substrate, and make the position alignment of silk screen with respect to substrate.DE 40 37 678 A1 disclose one for making the stencil positioning arrangement of silk screen with respect to substrate orientation.For this reason, in known device, make silk screen be bearing in movable, by stepper motor driven slide carriage, its middle slide carriage is bearing on scaffold by stepper motor.Tensioned, between slide carriage and scaffold, is responsible for making slide carriage to push up and be pressed on stepper motor equably.Stepper motor has certain gap in principle.Therefore the supporting of slide carriage on scaffold is not gapless.Spring only can play certain compensating action.
Summary of the invention
Therefore the object of the invention is, a kind of positioner is provided, can gapless and carry out rapidly the location of silk screen with respect to substrate by it.
This object is achieved for the stencil positioning arrangement of locating silk screen by a kind of according to the present invention, this device has at least one movable part and at least one position fixing part is divided, wherein silk screen can be arranged on movable part, it can be divided and adjust with respect to position fixing part by least one guiding mechanism, and the parts carry of described movable part by one or more flexibilities is on the standing part of position.By flexible parts, can make movable part only be bearing in position fixing part and divide thus.At this, the parts of described flexibility preferably flexibly form, and for example can pass through rubber bumper, bar
Figure BSA00000483536400021
or contact pin (Steg) realizes.Also there is advantage according to stencil positioning arrangement of the present invention, in the time providing substrate location, can make the silk screen of serigraphy unit accurately seamlessly locate with respect to substrate.At this not by gapped drive unit but directly realize supporting by flexibility, best flexible parts.
The reset response playing by supporting has compensated possible guiding mechanism gap.By this supporting that utilizes compliant member to realize, especially avoid backlass.At this, the positioning precision of stencil positioning arrangement is positioned at several microns and following scope.
In a preferred embodiment of the invention, described movable part can form housing, for the wire frame of best rigidity.This wire frame can be fixed on movable part.Also can select to make silk screen to be directly stretched on movable part, movable part is wire frame thus.Can save independently wire frame, save in other words the slide carriage as the locating surface of wire frame.Therefore in when location minimum amount of need only moving.Thus, can greatly improve precision and the locating speed of screen printing apparatus.
In another preferred embodiment, the parts of described flexibility can be agley and/or knuckle ground form.For example can form flexible parts with the contact pin of shape.The segmentation of compliant member is preferably parallel to the fixing seamed edge with movable part in position extends, and can realize thus joint space-efficient and arrange.By radian and/or the angle of compliant member, can be adjusted at resistance or elasticity in each direction of motion personalizedly.Therefore for example pass through additional angle or addition bend in compliant member, or pass through the quantity of the segmentation arranging with angle each other of compliant member, can make movable part motion more easily in definite direction of stencil positioning arrangement.By selecting the length of the each compliant member segmentation arranging with angle each other, can make equally movable part motion more easily in definite direction of stencil positioning arrangement, and therefore limit equally the preferred orientations of movable part motion.
In another expansion structure of the present invention, can make the height of the parts of described flexibility be greater than its width.Because the movable part of stencil positioning arrangement is always followed the minimum drag of compliant member in the time of the silk screen of location, so force movable part to move in the horizontal plane of stencil positioning arrangement by this structure.Described compliant member makes to realize being connected of vibration rigidity between that position is fixed and movable part.By the supporting of vibration rigidity, can save completely by other supporting or other support unit (as the slide carriage of Ball support or other activity, for the housing of silk screen or wire frame) the screen cloth supporting carried out.If the height of compliant member is greater than width, they have high intensity in the direction of adjusting direction perpendicular to silk screen, and can bear particularly well the doctor pressure being carried on silk screen.Can certainly form each compliant member with other appearance characteristics, for example, for making with respect to the horizontal plane upset consciously of silk screen.For example can make thus doctor be placed on the side of downward upset, and towards silk screen one side to pull open with respect to the distance of substrate maximum.
In addition can make movable part and the position fixing part of described stencil positioning arrangement divide integrally formation.Thus can be simply by the space being formed by complete material, set up movable part and the position fixing part compliant member forming with contact pin form between dividing.For example can by have milling, flat board corrosion or the gap of Laser Processing realize stencil positioning arrangement, the wherein movable part of this gap definition stencil positioning arrangement and the position fixing part contact pin between dividing.By contact pin, can make stencil positioning arrangement be formed by overall solid bearing, neither need ball bearing for its motion, do not need surface or the like of roller, guide rail, slip yet.Not only save thus parts, and also avoid connecting the gap of these parts simultaneously.But make movable part be divided and be connected with position fixing part by fixed tabs, but they can be by guiding mechanism in elastic range internal strain.Utilize this solid bearing, can realize simply accurate guiding, and realize thus the accurate location on narrow space.
At least one guiding mechanism of described stencil positioning arrangement advantageously comprises at least one drive unit.This drive unit can be adjusted the movable part of stencil positioning arrangement fast and automatically, and for example can pass through linear drive apparatus, driving device for slow-run or stepper motor realize.According to the layout of the quantity of drive unit and/or flexible linking device, can make the movable part of stencil positioning arrangement move in different multiple directions.Can make silk screen with one dimension, bidimensional or three-dimensional controlled location with method by this way.In the time that silk screen is located by silk screen accurately with respect to substrate orientation after, can keep this location by the combination of drive unit and compliant member simply.
For for example form with electrical connection guarantees that directly power supply is at least one drive unit, the position fixing part that can make drive unit be preferably disposed on stencil positioning arrangement is divided.In addition by arrange drive unit on the standing part of position, make the maintenance of drive unit simpler, and make thus the movable amount of wanting of movable part keep as much as possible little.
In addition advantageously, at least one drive unit is eccentric driving device, and wherein eccentric body can act on movable part indirectly or directly.Use eccentric body can realize high-precision location, and under the condition that uses parts still less, on movable part, realize the larger gapless deceleration (Untersetzung) of drive unit motion.Eccentric driving device can make movable part divide and move towards position fixing part point-blank.
In another preferred embodiment of the present invention, described movable part can divide by two drive units and move in a first direction with respect to position fixing part, and moves upward in the side perpendicular to first direction by a drive unit.By this layout of these three drive units, can realize rectilinear motion and rotation for silk screen location simultaneously.Save thus complicated structure, wherein, except for straight-line device, also must be provided with other mechanical mechanism (as additional swivel bearing), for making movable part rotation.
In addition can be preferably, the drive unit that at least one is arranged on movable part or position fixing part is divided is connected with motion transferring elements, it acts on respectively on another parts.Can make thus drive unit be arranged in the outer portion of stencil positioning arrangement, this is not only conducive to install, and is conducive to safeguard.As motion transferring elements, for example, can use drag rope or connecting rod.If for example form drive unit by eccentric driving device, motion transferring elements can advantageously design more much longerly than the largest motion of eccentric body, to carry out the least possible motion perpendicular to conscious adjustment direction on movable part.
In another expansion structure of the present invention, at least one motion transferring elements has one or more positions that attenuate.Can bear the not desired motion perpendicular to conscious adjustment direction by the position that attenuates, avoid thus the less desirable impact for silk screen location.
Advantageously can make at least one motion transferring elements be fixed in the projection that movable part and/or position fixing part divide.Can easily motion transferring elements be fixed on in these parts thus.
In addition can be provided with at least one stroke measurment system, for the position of determining that movable part divides with respect to position fixing part.The trip measuring system can mechanically or contactlessly form, but preferably forms with the form of optics stroke measurment system.The physical location that can determine thus silk screen under the condition of avoiding negative effect, this negative effect for example may appear on drive unit side in the situation that of stroke measuring system.Especially can directly obtain the relative position that movable part and position fixing part are divided, and not only indirectly, for example, by being integrated into the measuring system in drive unit.
At least one stroke measurment system is advantageously disposed in the projection that movable part and/or position fixing part divide.Therefore in the motion transferring elements being arranged on equally in projection, can make the measurement data of stroke measurment system directly trace back in the motion of this motion transferring elements, can make thus motion realize simple adjustment.
Accompanying drawing explanation
Describe the present invention in detail by means of accompanying drawing below.In accompanying drawing:
Fig. 1 illustrates the top view according to stencil positioning arrangement of the present invention;
Fig. 2 is illustrated in the rearview at the stencil positioning arrangement position that in Fig. 1, dotted line frame goes out.
The specific embodiment
Fig. 1 shows stencil positioning arrangement 10, and it comprises that movable part 12 and position fixing part divide 14.On movable part 12, wire frame is set, for fixedly thering is the silk screen 16 of template or print structure 18.Movable part 12 divides the compliant member 20,22,24,26 that 14 utilizations are configured to contact pin to connect with position fixing part.By perforate 28,30,32,34 is joined in metallic plate, especially aluminium sheet or steel plate, make compliant member at this.By this measure, make metallic plate be divided into position fixing part and divide 14 and movable part 12, wherein part 12,14 connects by flexible parts 20,22,24,26.Therefore make stencil positioning arrangement 10 integrally form, that is, position fixing part divides 14 interconnect in combination with movable part 12 materials and form integratedly.,, by dividing at movable part 12 and position fixing part the material retaining between 14, define flexible parts 20,22,24,26.The parts 20 of the first flexibility are retained between the first perforate 28 and the second perforate 30.The second perforate 30 and the 3rd perforate 32 form the second compliant member 22.The 3rd perforate 32 and the 4th perforate 34 define the 3rd compliant member 24.Finally, the 4th compliant member 26 is consisted of the 4th perforate 34 and the first perforate 28.Due to the perforate 28,30,32,34 adding with right angle, the compliant member 20,22,24,26 forming also forms squarely.Therefore, the movable part 12 of described stencil positioning arrangement 10 and position fixing part divide the simple and cost of 14 perforates that can substantially add by right angle 28,30,32,34 to be advantageously made up of unique plate.
The height of the compliant member 20,22,24,26 limiting by the material thickness of part 12,14 is greater than its width, that is, thickness of slab is in the width of the compliant member 20,22,24,26 limiting by perforate 28,30,32,34.Make thus the movable part 12 of stencil positioning arrangement 10 movable limitedly in horizontal plane, and substantially stiff perpendicular to drawing.Due to movable part 12 perpendicular to drawing can not activity, without support movable part 12 in addition.Simultaneously due to it can not activity, in the time keeping silk screen position, can realize high accuracy.
For example, for printed substrates (solar cell), make substrate pre-determined bit mobile below stencil positioning arrangement 10 on conveyer belt (not shown).By vacuum suction, substrate is fixed on conveyer belt at this.Now, for silk screen 16 is positioned with respect to substrate, movable part 12 is located corresponding to the substrate location obtaining in advance or the position of substrat structure.Realize location by guiding mechanism, guiding mechanism comprises X1-drive unit 38, X2-drive unit 40 and Y-drive unit 41.X1-drive unit 38 and X2-drive unit 40 make movable part 12 at x upwards, move upward in the side of double-head arrow 42, and Y-drive unit 41 makes movable part 12 at y upwards, move up in the side of double-head arrow 43.If X1-drive unit 38 does not synchronously move with X2-drive unit 40, movable part 12 rotates.The combination consisting of the rectilinear motion by movable part 12 and rotation, can make silk screen 16 accurately be positioned on substrate with respect to structure.By compliant member 20,22,24,26 can make movable part 12 seamlessly utilize drive unit 38,40, and 41 move, and then equally seamlessly remain in its correct position.Drive unit 38,40,41 are made up of eccentric driving device, and its eccentric body motion is delivered on movable part 12 by the motion transferring elements of affiliated connecting rod form respectively.
Fig. 2 illustratively illustrates that the motion of X1-drive unit 38 is delivered on movable part 12 for this reason.X1-drive unit 38 comprises the motor (not shown) with driving shaft 44, is engaged in being lining on parts 46 of being made up of eccentric body this driving shaft anti-torsion.This is lining into parts 46 and is connected with the inner side of driving bearing 48 again anti-torsion.This driving bearing 48 is made up of ball bearing and is connected with motion transferring elements 54 by the clamping connection 50 that comprises fishbolt 52 on its lateral surface.In order to fix and to safeguard motion transferring elements 54, can unclamp fishbolt 52 and take off and clamp connection 50 from driving bearing 48.Connecting 50 in the clamping shown in Fig. 2 is made up of the part of motion transferring elements 54.Certainly, clamping connection 50 and motion transferring elements 54 also can form on many bodies ground.
In the time that driving shaft 44 rotates, motion transferring elements 54 is moved up double-head arrow 42 sides.Motion transferring elements 54 is connected with movable part 12 again, makes thus movable part 12 move up in the side of double-head arrow 42 equally by X1-drive unit 38.Motion transferring elements 54 position standing part 14 recessed 56 in move on the height identical with movable part 12 perpendicular to drawing.Avoid thus active force to import on movable part 12 perpendicular to drawing.
The X1-drive unit 38 being made up of eccentric driving device is moving movement transferring elements 54 in the direction of double-head arrow 43 also.But due to the length of motion transferring elements 54 and the position 58 that attenuates of motion transferring elements 54, make in double-head arrow 43 directions the impact for movable part 12 little of ignoring.First motion in double-head arrow 43 directions realizes on driving bearing 48, that is, and and the application point away from motion transferring elements 54 on movable part 12.In addition,, by other drive unit of revertive control correspondingly, can compensate less desirable motion.The position 58 that attenuates allows the distortion of motion transmission system 54 in double-head arrow direction 43.Therefore the motion in double-head arrow direction 43 and movable part 12 keep as far as possible away from.
In order to determine the absolute position of movable part 12 in X1-direction, in the first projection 60 of movable part 12, be fixed wtih the X1-stroke measurment system 62 of optics.The X1-stroke measurment system 62 of this optics for example can determine that movable part 12 divides 14 accurate distance towards position fixing part by photographic measurement or interferometer measurement.Layout by X1-stroke measurment system 62 in the first projection 60 of movable part 12, can determine the absolute movement in double-head arrow 42 directions by X1-stroke measurment system 62, and can be used for regulating X1-drive unit 38, in the first projection, be also fixed wtih motion transferring elements 54.
The motion of X2-drive unit 40 and the motion transmission on movable part 12 and foregoing X1-drive unit 38 is transmitted similar.In order to make movable part 12 in Y-direction, move up in the side of double-head arrow 43, make the layout of Y-drive unit 41 and X1-motion similarly, by thering is the arranged off-centre of motion transferring elements 64 and bolt retainer 66, utilize two set bolts 68,70 to be connected with movable part 12.In order to make the less desirable transverse movement minimum of motion transferring elements 64 in double-head arrow 42 directions, make motion transferring elements 64 there is the position of attenuating 72.The monitoring of stroke measurment system (not shown) is all passed through in the motion of the not only motion of Y-drive unit, and X2-drive unit.Except determining the position of movable part 12, stroke measuring device also can be for obtaining deviation, the little deviation for example causing due to the vibration of eccentric driving device or stencil positioning arrangement 10, and send on control device, this control device is by accessory drive 38,40,41 carry out compensate.

Claims (17)

1. a stencil positioning arrangement, for the silk screen of positioning filament reticulated printing unit, this device has at least one movable part and at least one position fixing part is divided, wherein silk screen can be arranged on movable part, this movable part can be divided and adjust with respect to position fixing part by least one guiding mechanism, it is characterized in that, the parts carry of described movable part by one or more flexibilities is on the standing part of position, and the movable part of wherein said stencil positioning arrangement and position fixing part are divided integratedly and formed.
2. stencil positioning arrangement as claimed in claim 1, is characterized in that, described movable part forms the housing of wire frame.
3. stencil positioning arrangement as claimed in claim 1, is characterized in that, at least one flexible parts is configured to contact pin.
4. the stencil positioning arrangement as described in claim 1,2 or 3, is characterized in that, the parts of described flexibility agley and/or knuckle ground form.
5. the stencil positioning arrangement as described in claim 1,2 or 3, is characterized in that, the height of the parts of described flexibility is greater than its width.
6. the stencil positioning arrangement as described in claim 1,2 or 3, is characterized in that, at least one guiding mechanism of described stencil positioning arrangement comprises at least one drive unit.
7. stencil positioning arrangement as claimed in claim 6, is characterized in that, at least one drive unit is arranged on position fixing part and divides.
8. stencil positioning arrangement as claimed in claim 6, is characterized in that, at least one drive unit is eccentric driving device, and wherein eccentric body acts on movable part indirectly or directly.
9. stencil positioning arrangement as claimed in claim 6, it is characterized in that, described movable part can divide by two drive units and move in a first direction with respect to position fixing part, and moves upward in the side perpendicular to first direction by a drive unit.
10. stencil positioning arrangement as claimed in claim 6, is characterized in that, at least one drive unit being arranged on movable part is connected with motion transferring elements, and this motion transferring elements correspondingly acts on position fixing part and divides.
11. stencil positioning arrangements as claimed in claim 10, is characterized in that, at least one motion transferring elements has one or more positions that attenuate.
12. stencil positioning arrangements as claimed in claim 10, is characterized in that, at least one motion transferring elements is fixed in the projection of movable part.
13. stencil positioning arrangements as claimed in claim 6, is characterized in that, at least one is arranged on the drive unit that position fixing part divides and is connected with motion transferring elements, and this motion transferring elements correspondingly acts on movable part.
14. stencil positioning arrangements as claimed in claim 13, is characterized in that, at least one motion transferring elements has one or more positions that attenuate.
15. stencil positioning arrangements as claimed in claim 13, is characterized in that, at least one motion transferring elements is fixed in the projection that position fixing part divides.
16. stencil positioning arrangements as described in claim 1,2 or 3, is characterized in that, are provided with at least one stroke measurment system, for the position of determining that movable part divides with respect to position fixing part.
17. stencil positioning arrangements as claimed in claim 16, is characterized in that, at least one stroke measurment system is arranged in the projection that movable part and/or position fixing part divide.
CN201110107612.7A 2010-04-22 2011-04-22 Printing stencil positioning arrangement for screen printing unit Expired - Fee Related CN102241185B (en)

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EP10004258.9 2010-04-22
EP10004258.9A EP2380739B8 (en) 2010-04-22 2010-04-22 Printing stencil positioning arrangement for a screen printing unit

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Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102837491A (en) * 2012-09-28 2012-12-26 苏州金科信汇光电科技有限公司 Positioning device used for color register in printing
CN111038074A (en) * 2019-12-03 2020-04-21 珠海镇东有限公司 Screen printing machine and calibration method of screen printing frame

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US4907505A (en) * 1982-05-05 1990-03-13 Ericsson Sylve J D Stencil frame securing and registering apparatus
DE4037678A1 (en) * 1990-11-27 1992-06-04 Klemm Gerhard Maschfab SCREEN PRINTING MACHINE
US5148745A (en) * 1991-03-08 1992-09-22 Hamu Kaino J Screen printing apparatus assembly
GB2305892A (en) * 1994-05-03 1997-04-23 Konstantine George Savva Image printer
US6098539A (en) * 1997-05-12 2000-08-08 Tdk Corporation Apparatus for screen position correcting in screen printing
CN101107127A (en) * 2005-01-24 2008-01-16 埃克阿泰克有限责任公司 Screen printing apparatus
CN201186520Y (en) * 2008-05-16 2009-01-28 王敬伦 Preset locating device

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Publication number Priority date Publication date Assignee Title
JPH09239954A (en) * 1996-03-07 1997-09-16 Hitachi Denshi Ltd Combination mask attaching structure

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Publication number Priority date Publication date Assignee Title
US4907505A (en) * 1982-05-05 1990-03-13 Ericsson Sylve J D Stencil frame securing and registering apparatus
DE4037678A1 (en) * 1990-11-27 1992-06-04 Klemm Gerhard Maschfab SCREEN PRINTING MACHINE
US5148745A (en) * 1991-03-08 1992-09-22 Hamu Kaino J Screen printing apparatus assembly
GB2305892A (en) * 1994-05-03 1997-04-23 Konstantine George Savva Image printer
US6098539A (en) * 1997-05-12 2000-08-08 Tdk Corporation Apparatus for screen position correcting in screen printing
CN101107127A (en) * 2005-01-24 2008-01-16 埃克阿泰克有限责任公司 Screen printing apparatus
CN201186520Y (en) * 2008-05-16 2009-01-28 王敬伦 Preset locating device

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Publication number Publication date
TW201206713A (en) 2012-02-16
EP2380739B8 (en) 2014-02-19
EP2380739A1 (en) 2011-10-26
CN102241185A (en) 2011-11-16
KR20110118094A (en) 2011-10-28
EP2380739B1 (en) 2013-12-11

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