CN201681131U - Circuit board test machine station - Google Patents
Circuit board test machine station Download PDFInfo
- Publication number
- CN201681131U CN201681131U CN2010201250590U CN201020125059U CN201681131U CN 201681131 U CN201681131 U CN 201681131U CN 2010201250590 U CN2010201250590 U CN 2010201250590U CN 201020125059 U CN201020125059 U CN 201020125059U CN 201681131 U CN201681131 U CN 201681131U
- Authority
- CN
- China
- Prior art keywords
- circuit board
- binding
- test machine
- next stop
- machine structure
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
Links
Images
Landscapes
- Tests Of Electronic Circuits (AREA)
- Testing Of Short-Circuits, Discontinuities, Leakage, Or Incorrect Line Connections (AREA)
Abstract
The utility model discloses a circuit board test machine station which comprises a feeding mechanism, an automatic test mechanism that is arranged at the next station of the feeding mechanism in a connecting manner, an inkjet sealing mechanism that is arranged at the next station of the automatic test mechanism in the connecting manner, and a discharging mechanism that is arranged at the next station of the inkjet sealing mechanism in the connecting manner. The circuit board test machine station can automatically and constantly complete the flow tasks of a circuit board, such as feeding, test, retest, jet and print and the like, and has the advantages of effectively reducing the occupied area of equipments, being operated by single person, eliminating transfer time of each flow instantly, greatly improving working efficiency, and being simple in operation manner and very convenient for switching to manual mode due to a stop function of each unit.
Description
Technical field
The utility model relates to a kind of board that is used for testing circuit board, relates in particular to a kind of tester table with consistentization auto test flow.
Background technology
Circuit board in process of production, unavoidably because of external factor cause short circuit, open circuit and electric leakage etc. electrically on flaw, add circuit board constantly towards high density, thin space and multi-level evolution, if fail in time bad plate screening to be come out, and let alone to flow in the processing procedure, will certainly cause more cost waste, therefore except the improvement of processing procedure control, improving the technical level of test, also is to provide the mode that reduces scrappage and promote the product yield for the circuit board manufacturer.
The available circuit plate is after the test of automatic test machine tool, and defective products carries out repetition measurement by artificial transfer flying probe tester; Circuit board after automatic test machine tool test non-defective unit and the non-defective unit that passes through through the flying probe repetition measurement, also be by manually being transferred to the operation of affixing one's seal of the ink-jet machine of affixing one's seal.Means of transportation between each flow process is for manually taking, and transfer process can't be expected situation such as batch mixing takes place, collide, drop, and running costs such as transfer process labor intensive, time, and each process apparatus is all independence, and it is bigger to take work space.
Therefore how with in the test process, an integration is done by required each mechanism that uses, cook up and test moving-wire smoothly, reach time, saving manpower and the saving facility saving circuit board and be sent to each testing station and take up room, become the problem that present industry is demanded urgently overcoming in fact.
The utility model content
The purpose of this utility model is to provide a kind of circuit board testing board, this board is a function of having integrated feeding mechanism, mechanism for testing, repetition measurement mechanism, spray printing mechanism and discharging mechanism, and can be between each mechanism by conveying belt, delivery track or mechanical arm, come the transfer circuit plate, between each workstation, may cause the impaired problem of circuit board to solve tradition with the manual delivery circuit board, and time, the cost human cost of saving manual delivery, and saved taking up room of facility.
The utility model is delivery track to be set between each workstation mechanism or to draw circuit board with mechanical arm, make circuit board finish each station test in regular turn, and the non-defective unit after each workstation also can further be planned distinguishing tests and the temporary storage location of defective products, make whole test process smooth and easy without hindrance, got rid of the chance of blocking, to adapt to the demand of volume production.
The utility model provides several boards with one-stop operation flow process.
First kind of circuit board testing board comprises:
One feeding mechanism;
One automatic test machine structure, binding is arranged at this feeding mechanism next stop;
One ink-jet stamping mechanism, binding is arranged at this automatic test machine structure next stop;
One discharging mechanism, binding is arranged at this ink-jet stamping mechanism next stop.
Circuit board is accepted this ink-jet stamping mechanism spray printing non-defective unit mark by the circuit board of test after accepting this automatic test machine structure test, then delivers to a non-defective unit stack area of this discharging mechanism and deposits; Does not deposit the defective products stack area that then is transported to this discharging mechanism of the circuit board by test.
Second kind of circuit board testing board comprises:
One feeding mechanism;
One automatic test machine structure, binding is arranged at this feeding mechanism next stop;
One flying probe mechanism, binding is arranged at this automatic test machine structure next stop;
One ink-jet stamping mechanism, binding is arranged at this flying probe mechanism next stop;
One discharging mechanism, binding is arranged at this ink-jet stamping mechanism next stop.
After circuit board is accepted this automatic test machine structure and is carried out preliminary survey, do not accept this flying probe mechanism and carry out repetition measurement by the circuit board of preliminary survey, circuit board by preliminary survey and repetition measurement is transported to a non-defective unit stack area of this discharging mechanism and deposits, and does not deposit the defective products stack area that then is sent to this discharging mechanism of the circuit board by repetition measurement.
The third circuit board testing board comprises:
One feeding mechanism;
One automatic test machine structure, binding is arranged at this feeding mechanism next stop;
One flying probe mechanism, binding is arranged at this automatic test machine structure next stop;
One discharging mechanism, binding is arranged at this flying probe mechanism next stop.
After circuit board is accepted this automatic test machine structure and carried out preliminary survey, do not accept this flying probe mechanism by the circuit board of test and carry out repetition measurement, the circuit board by preliminary survey and repetition measurement is sent to a non-defective unit stack area of this discharging mechanism and deposits; Does not deposit the defective products stack area that then is transported to this discharging mechanism of the circuit board by repetition measurement.
The 4th kind of circuit board testing board comprises:
One feeding mechanism;
One flying probe mechanism, binding is arranged at this feeding mechanism next stop;
One ink-jet stamping mechanism, binding is arranged at this flying probe mechanism next stop;
One discharging mechanism, binding is arranged at this ink-jet stamping mechanism next stop.
Circuit board is accepted this ink-jet stamping mechanism spray printing non-defective unit mark by the circuit board of test after accepting this flying probe mechanism test, then delivers to a non-defective unit stack area of this discharging mechanism and deposits; Not being transported to a defective products stack area by the circuit board of testing deposits.
The utility model provides various circuit board testing boards, can reach automatic consistentization and finish test, the operation of spray printing flow process.Effectively reduce occupation area of equipment, and single can the operation.Save each flow process transfer time, significantly promote work efficiency, mode of operation is simple.Because but each unit hold function still easily switches to manual mode.
Description of drawings
Fig. 1 is first kind of embodiment synoptic diagram of circuit board testing board described in the utility model.
Fig. 2 is another embodiment synoptic diagram of circuit board testing board described in the utility model.
Fig. 3 is a circuit board testing board described in the utility model embodiment synoptic diagram again.
Fig. 4 is the another embodiment synoptic diagram of circuit board testing board described in the utility model.
Fig. 5 is other embodiment synoptic diagram of circuit board testing board described in the utility model.
Fig. 6 is other embodiment synoptic diagram of circuit board testing board described in the utility model.
Fig. 7 is the another embodiment synoptic diagram of circuit board testing board described in the utility model.
Embodiment
Those skilled in the art below cooperate Figure of description that embodiment of the present utility model is done more detailed description, so that can implement after studying this instructions carefully according to this.
See also Fig. 1, be first kind of embodiment synoptic diagram of circuit board testing board described in the utility model.The transmission of circuit board 20 between each mechanism can by continuous track 10 or with mechanical arm (figure do not show) take (or absorption) finish.Tester table comprises a feeding mechanism 1, one automatic test machine structure 2, links to be arranged at this feeding mechanism 1 next stop, one ink-jet stamping mechanism 4, binding is arranged at this automatic test machine structure 2 next stops, a discharging mechanism 6, and binding is arranged at this ink-jet stamping mechanism 4 next stops.
The testing process of present embodiment circuit board is, numerous circuit board 20 storehouses are positioned over this feeding mechanism 1, in regular turn described circuit board is delivered to each workstation by track 10.Circuit board 20 at first enters this automatic test machine structure 2 and carries out testing electrical property in the mode that presses, circuit board by test is transported to this ink-jet stamping mechanism 4, spray printing non-defective unit mark, spray printing is finished, and deposit a non-defective unit stack area 61 that is transported to this discharging mechanism 6 again.This board includes ink-jet stamping mechanism 4, mainly is improvement tradition at circuit board automatically after the test, with manually circuit board is moved to one independently the ink-jet stamping mechanism affix one's seal or inconvenience manually to affix one's seal.
See also Fig. 2, be another embodiment synoptic diagram of circuit board testing board described in the utility model.Mainly be to show between described automatic test machine structure 2 and discharging mechanism 6, further to link a paster mechanism 5 is set, after circuit board 20 is accepted these automatic test machine structure 2 tests, circuit board 20 by test is accepted this ink-jet stamping mechanism 4 spray printing non-defective unit marks, then delivers to a non-defective unit stack area 61 of this discharging mechanism 6 and deposits; The circuit board 20 by 2 tests of automatic test machine structure can not be transferred into this paster mechanism 5, sticks the defective products paster, and afterwards, deposit a defective products stack area 62 that is transported to this discharging mechanism 6 again.The design concept of this board is after the test non-defective unit and defective products to be done differentiation automatically, and non-defective unit is transferred to ink-jet stamping mechanism 4, and spray printing non-defective unit mark then is not transported to paster mechanism 5 by the circuit board of testing and sticks the defective products paster.Mainly be improvement tradition at circuit board automatically after the test, with manually circuit board is moved to one independently the ink-jet stamping mechanism affix one's seal and in addition with the inconvenience of artificial subsides paster.
See also Fig. 3, be a circuit board testing board described in the utility model embodiment synoptic diagram again.Tester table comprises a feeding mechanism 1, one automatic test machine structure 2, link and be arranged at this feeding mechanism 1 next stop, one flying probe mechanism 3, binding is arranged at this automatic test machine structure 2 next stops, an ink-jet stamping mechanism 4, and binding is arranged at this flying probe mechanism 3 next stops, one discharging mechanism 6, binding is arranged at this ink-jet stamping mechanism 4 next stops.
The testing process of present embodiment circuit board is, numerous circuit board 20 storehouses are positioned over this feeding mechanism 1, in regular turn described circuit board 20 is delivered to each workstation.Circuit board 20 at first enters this automatic test machine structure 2 carries out testing electrical property in the mode that presses preliminary survey, the circuit board 20 by preliminary survey further is not transported to this flying needle and surveys formula mechanism 3 and carry out repetition measurement, circuit board by preliminary survey and repetition measurement, be transported to ink-jet stamping mechanism 4, spray printing non-defective unit mark, deposit a non-defective unit stack area 61 that is transported to this discharging mechanism 6 again; Simultaneously, the circuit board 20 by repetition measurement can be additionally stick the defective products paster with machine manually or independently, and deposit a defective products stack area 62 that is transported to discharging mechanism 6 again.
See also Fig. 4, be the another embodiment synoptic diagram of circuit board testing board described in the utility model.Mainly be that performance can be provided with a paster mechanism 5 further the binding between described flying needle survey formula mechanism 3 and discharging mechanism 6, making can be by this paster mechanism 5 by the circuit board 20 of repetition measurement, stick the defective products paster, afterwards, deposit the defective products stack area 62 that is transported to discharging mechanism 6 again, forms the work flow that links up; Can save as the epimere embodiment, also need additionally will not take the step and the time of pasting paster on another board by the circuit board of repetition measurement.
See also Fig. 5, be other embodiment synoptic diagram of circuit board testing board described in the utility model.Tester table comprises a feeding mechanism 1, one automatic test machine structure 2, links to be arranged at this feeding mechanism 1 next stop, one flying probe mechanism 3, binding is arranged at this automatic test machine structure 2 next stops, a discharging mechanism 6, and binding is arranged at this flying probe mechanism 3 next stops.
Present embodiment circuit board testing flow process is, numerous circuit board storehouses are positioned over this feeding mechanism 1, in regular turn described circuit board 20 is delivered to each workstation.Circuit board 20 at first enters this automatic test machine structure 2 carries out testing electrical property in the mode that presses preliminary survey, the circuit board 20 by preliminary survey further is not transported to this flying needle and surveys formula mechanism 6 and carry out repetition measurement, circuit board 20 by preliminary survey and repetition measurement is transported to a non-defective unit stack area 61 of this discharging mechanism 6 and deposits, and does not deposit the defective products stack area 62 that is transported to discharging mechanism 6 of the circuit board 20 by repetition measurement.
See also Fig. 6, be other embodiment synoptic diagram of circuit board testing board described in the utility model.Tester table comprises a feeding mechanism 1, one flying probe mechanism 3, links to be arranged at this feeding mechanism 1 next stop, one ink-jet stamping mechanism 4, binding is arranged at this flying probe mechanism 3 next stops, a discharging mechanism 6, and binding is arranged at this ink-jet stamping mechanism 4 next stops.
Present embodiment circuit board testing flow process is, numerous circuit board 20 storehouses are positioned over this feeding mechanism 1, in regular turn described circuit board 20 is delivered to each workstation.Circuit board 20 at first enters this flying probe mechanism 3 and carries out testing electrical property, and the purpose of present embodiment flying probe can be, and carries out repetition measurement at the circuit board hollow plate of not testing by an automatic test machine structure (as the disclosed automatic test machine structure 2 of Fig. 1 to Fig. 5); Also can be, cut apart test at the part that this automatic test machine structure can't be tested.Circuit board 20 by flying probe is transported to this ink-jet stamping mechanism 4, spray printing non-defective unit mark, and deposit a non-defective unit stack area 61 that is transported to this discharging mechanism 6 again; Simultaneously, the circuit board 20 by repetition measurement can be additionally stick the defective products paster with machine manually or independently, and deposit a defective products stack area 62 that is transported to discharging mechanism 6 again.
See also Fig. 7, be the another embodiment synoptic diagram of circuit board testing board described in the utility model.Mainly be to show between described flying probe mechanism 3 and discharging mechanism 6, further to link a paster mechanism 5 is set, after circuit board 20 is accepted these flying probe mechanism 3 tests, circuit board 20 by test is accepted this ink-jet stamping mechanism 4 spray printing non-defective unit marks, then delivers to a non-defective unit stack area 61 of this discharging mechanism 6 and deposits; The circuit board 20 by test can not stick the defective products paster by this paster mechanism 5, and afterwards, deposit the defective products stack area 62 that is transported to discharging mechanism 6 again, forms the work flow that links up; Can save as the epimere embodiment, also need additionally will not take the step and the time of pasting paster on another board by the circuit board of repetition measurement.
The above only is in order to explain preferred embodiment of the present utility model; be not that attempt is done any pro forma restriction to the utility model according to this; therefore; all have in that identical creation spirit is following do relevant any modification of the present utility model or change, all must be included in the category of the utility model intention protection.
Claims (10)
1. a circuit board testing board is characterized in that, comprising:
One feeding mechanism;
One automatic test machine structure, binding is arranged at this feeding mechanism next stop;
One ink-jet stamping mechanism, binding is arranged at this automatic test machine structure next stop;
One discharging mechanism, binding is arranged at this ink-jet stamping mechanism next stop.
2. circuit board testing board as claimed in claim 1 is characterized in that, further comprises a paster mechanism, links to be arranged between this automatic test machine structure and this discharging mechanism; Circuit board is accepted this ink-jet stamping mechanism spray printing non-defective unit mark by the circuit board of test after accepting this automatic test machine structure test, then delivers to a non-defective unit stack area of this discharging mechanism and deposits; Do not accept this paster mechanism and stick the defective products paster, then deliver to a defective products stack area of this discharging mechanism and deposit by the circuit board of test.
3. circuit board testing board as claimed in claim 1 or 2 is characterized in that, the transmission of circuit board between each mechanism finished by track or mechanical arm.
4. a circuit board testing board is characterized in that, comprising:
One feeding mechanism;
One automatic test machine structure, binding is arranged at this feeding mechanism next stop;
One flying probe mechanism, binding is arranged at this automatic test machine structure next stop;
One ink-jet stamping mechanism, binding is arranged at this flying probe mechanism next stop;
One discharging mechanism, binding is arranged at this ink-jet stamping mechanism next stop.
5. circuit board testing board as claimed in claim 4 is characterized in that, further comprises a paster mechanism, links to be arranged between this flying probe mechanism and this discharging mechanism; Circuit board is accepted this automatic test machine structure and is carried out preliminary survey, do not accept this flying probe mechanism and carry out repetition measurement by the circuit board of preliminary survey, accept this ink-jet stamping mechanism spray printing non-defective unit mark by the circuit board of preliminary survey and repetition measurement, then deliver to a non-defective unit stack area of this discharging mechanism and deposit; Do not accept this paster mechanism and stick the defective products paster, then deliver to a defective products stack area of this discharging mechanism and deposit by the circuit board of repetition measurement.
6. a circuit board testing board is characterized in that, comprising:
One feeding mechanism;
One automatic test machine structure, binding is arranged at this feeding mechanism next stop;
One flying probe mechanism, binding is arranged at this automatic test machine structure next stop;
One discharging mechanism, binding is arranged at this flying probe mechanism next stop.
7. circuit board testing board as claimed in claim 6, it is characterized in that, after circuit board is accepted this automatic test machine structure and is carried out preliminary survey, do not accept this flying probe mechanism and carry out repetition measurement by the circuit board of preliminary survey, circuit board by preliminary survey and repetition measurement is transported to a non-defective unit stack area of this discharging mechanism and deposits, and does not deposit the defective products stack area that then is sent to this discharging mechanism of the circuit board by repetition measurement.
8. as claim 6 or 7 described circuit board testing boards, it is characterized in that the transmission of circuit board between each mechanism finished by track or mechanical arm.
9. a circuit board testing board is characterized in that, comprising:
One feeding mechanism;
One flying probe mechanism, binding is arranged at this feeding mechanism next stop;
One ink-jet stamping mechanism, binding is arranged at this flying probe mechanism next stop;
One discharging mechanism, binding is arranged at this ink-jet stamping mechanism next stop.
10. circuit board testing board as claimed in claim 9 is characterized in that, further comprises a paster mechanism, links to be arranged between this flying probe mechanism and this discharging mechanism; Circuit board is accepted this ink-jet stamping mechanism spray printing non-defective unit mark by the circuit board of test after accepting this flying probe mechanism test, then delivers to a non-defective unit stack area of this discharging mechanism and deposits; Do not accept this paster mechanism and stick the defective products paster, then deliver to a defective products stack area of this discharging mechanism and deposit by the circuit board of test.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010201250590U CN201681131U (en) | 2010-03-08 | 2010-03-08 | Circuit board test machine station |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010201250590U CN201681131U (en) | 2010-03-08 | 2010-03-08 | Circuit board test machine station |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201681131U true CN201681131U (en) | 2010-12-22 |
Family
ID=43346171
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2010201250590U Expired - Fee Related CN201681131U (en) | 2010-03-08 | 2010-03-08 | Circuit board test machine station |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201681131U (en) |
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102608479A (en) * | 2012-04-10 | 2012-07-25 | 李春光 | Automatic multi-machine testing system |
| CN102759715A (en) * | 2012-06-28 | 2012-10-31 | 深圳创维－Rgb电子有限公司 | Automatic test system of power panel |
| CN102809709A (en) * | 2012-07-19 | 2012-12-05 | 昆山迈致治具科技有限公司 | PCB (Printed Circuit Board) open short and OK/NG inspection seal jig |
| CN105195434A (en) * | 2015-09-16 | 2015-12-30 | 苏州汉腾自动化设备有限公司 | Automatic ARC product detection method |
| CN105842606A (en) * | 2016-03-15 | 2016-08-10 | 大族激光科技产业集团股份有限公司 | Planar flying probe tester and PCB transmission method |
| CN106391489A (en) * | 2015-08-03 | 2017-02-15 | 奥蒂玛光学科技（深圳）有限公司 | Online type circuit board automatic detection and judgment flow dividing device and method |
| CN112379244A (en) * | 2020-11-03 | 2021-02-19 | 上海华岭集成电路技术股份有限公司 | Automatic control test method for integrated circuit |
-
2010
- 2010-03-08 CN CN2010201250590U patent/CN201681131U/en not_active Expired - Fee Related
Cited By (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102608479A (en) * | 2012-04-10 | 2012-07-25 | 李春光 | Automatic multi-machine testing system |
| CN102759715A (en) * | 2012-06-28 | 2012-10-31 | 深圳创维－Rgb电子有限公司 | Automatic test system of power panel |
| CN102759715B (en) * | 2012-06-28 | 2015-02-25 | 深圳创维－Rgb电子有限公司 | Automatic test system of power panel |
| CN102809709A (en) * | 2012-07-19 | 2012-12-05 | 昆山迈致治具科技有限公司 | PCB (Printed Circuit Board) open short and OK/NG inspection seal jig |
| CN106391489A (en) * | 2015-08-03 | 2017-02-15 | 奥蒂玛光学科技（深圳）有限公司 | Online type circuit board automatic detection and judgment flow dividing device and method |
| CN105195434A (en) * | 2015-09-16 | 2015-12-30 | 苏州汉腾自动化设备有限公司 | Automatic ARC product detection method |
| CN105842606A (en) * | 2016-03-15 | 2016-08-10 | 大族激光科技产业集团股份有限公司 | Planar flying probe tester and PCB transmission method |
| CN105842606B (en) * | 2016-03-15 | 2020-09-01 | 深圳市大族数控科技有限公司 | Planar flying probe tester and PCB conveying method |
| CN112379244A (en) * | 2020-11-03 | 2021-02-19 | 上海华岭集成电路技术股份有限公司 | Automatic control test method for integrated circuit |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN201681131U (en) | Circuit board test machine station | |
| CN102323564B (en) | Electric energy meter verification unit and working method thereof | |
| CN104267330B (en) | Multifunctional power panel testing production line | |
| CN204832316U (en) | Electricity core testing arrangement | |
| CN201552144U (en) | Automatic battery sorting machine | |
| CN203929917U (en) | Electronic transformer general automation testing apparatus | |
| CN208303255U (en) | A kind of product testing assembly line | |
| CN203044368U (en) | Transferring and loading mechanism for automatically sorting electric energy meters | |
| CN106226676A (en) | A kind of chip parameter test system | |
| KR101134085B1 (en) | Pre-treatment manufacturing process of solar cell modules | |
| CN101370230A (en) | Automatic test system and method for mobile phone keyboard | |
| CN103943411A (en) | Device used for producing relay | |
| CN103183223A (en) | Production line deployment device and production line deployment method | |
| CN102193043A (en) | Testing integration method for bare board of circuit board | |
| CN105911457B (en) | Method for realizing ICT and FCT multi-machine parallel test | |
| CN205404726U (en) | Full -automatic high -voltage insulation test of transformer machine | |
| CN212160007U (en) | Automatic chip testing device | |
| CN211180090U (en) | Full-automatic pen electricity material loading test ink jet numbering machine constructs | |
| CN108132215A (en) | A kind of AOI detection methods of SMT patches production line | |
| CN201222091Y (en) | Test device for PDP television switch power supply plate ICT | |
| CN110456239A (en) | A kind of chip high voltage and comprehensive electric characteristic detecting apparatus and test method | |
| CN206935829U (en) | A kind of IC chip testing, sorting equipment | |
| CN201438215U (en) | Pipelined electric energy meter locating wiring system | |
| CN111856250A (en) | Circuit board test equipment | |
| CN207787113U (en) | A kind of more battery core automatic separation equipments |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20101222 Termination date: 20160308 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |