CN104427771A - Circuit board fixing device, drilling machine and circuit board fixing method during drilling - Google Patents
Circuit board fixing device, drilling machine and circuit board fixing method during drilling Download PDFInfo
- Publication number
- CN104427771A CN104427771A CN201310409560.8A CN201310409560A CN104427771A CN 104427771 A CN104427771 A CN 104427771A CN 201310409560 A CN201310409560 A CN 201310409560A CN 104427771 A CN104427771 A CN 104427771A
- Authority
- CN
- China
- Prior art keywords
- circuit board
- fixing device
- support bar
- board fixing
- drilling machine
- 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.)
- Granted
Links
- 238000005553 drilling Methods 0.000 title claims abstract description 34
- 229920001342 Bakelite® Polymers 0.000 claims description 30
- 239000004637 bakelite Substances 0.000 claims description 30
- 210000000282 Nails Anatomy 0.000 claims description 5
- 238000006073 displacement reaction Methods 0.000 claims description 5
- 229920001971 elastomer Polymers 0.000 claims description 5
- 239000004033 plastic Substances 0.000 claims description 5
- 229920003023 plastic Polymers 0.000 claims description 5
- 230000000875 corresponding Effects 0.000 claims description 4
- 238000004519 manufacturing process Methods 0.000 abstract description 11
- 230000000873 masking Effects 0.000 abstract description 11
- 239000000853 adhesive Substances 0.000 abstract 1
- 230000001070 adhesive Effects 0.000 abstract 1
- 238000000034 method Methods 0.000 description 7
- 230000000694 effects Effects 0.000 description 5
- 238000009434 installation Methods 0.000 description 3
- 230000001681 protective Effects 0.000 description 2
- 239000002390 adhesive tape Substances 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- RYGMFSIKBFXOCR-UHFFFAOYSA-N copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 description 1
- 229910052802 copper Inorganic materials 0.000 description 1
- 239000010949 copper Substances 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000002708 enhancing Effects 0.000 description 1
- 238000005755 formation reaction Methods 0.000 description 1
- 239000003292 glue Substances 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000006011 modification reaction Methods 0.000 description 1
- 238000007747 plating Methods 0.000 description 1
Classifications
-
- H—ELECTRICITY
- H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
- H05K—PRINTED CIRCUITS; CASINGS OR CONSTRUCTIONAL DETAILS OF ELECTRIC APPARATUS; MANUFACTURE OF ASSEMBLAGES OF ELECTRICAL COMPONENTS
- H05K7/00—Constructional details common to different types of electric apparatus
- H05K7/14—Mounting supporting structure in casing or on frame or rack
- H05K7/1401—Mounting supporting structure in casing or on frame or rack comprising clamping or extracting means
- H05K7/1402—Mounting supporting structure in casing or on frame or rack comprising clamping or extracting means for securing or extracting printed circuit boards
- H05K7/1408—Mounting supporting structure in casing or on frame or rack comprising clamping or extracting means for securing or extracting printed circuit boards by a unique member which latches several boards, e.g. locking bars
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B26—HAND CUTTING TOOLS; CUTTING; SEVERING
- B26D—CUTTING; DETAILS COMMON TO MACHINES FOR PERFORATING, PUNCHING, CUTTING-OUT, STAMPING-OUT OR SEVERING
- B26D7/00—Details of apparatus for cutting, cutting-out, stamping-out, punching, perforating, or severing by means other than cutting
- B26D7/01—Means for holding or positioning work
- B26D7/02—Means for holding or positioning work with clamping means
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B26—HAND CUTTING TOOLS; CUTTING; SEVERING
- B26F—PERFORATING; PUNCHING; CUTTING-OUT; STAMPING-OUT; SEVERING BY MEANS OTHER THAN CUTTING
- B26F1/00—Perforating; Punching; Cutting-out; Stamping-out; Apparatus therefor
- B26F1/16—Perforating by tool or tools of the drill type
Abstract
The invention provides a circuit board fixing device, a drilling machine and a circuit board fixing method during drilling. The circuit board fixing device comprises a supporting rod, a cross bar toggle clip, a cushion, a sensor and an air valve device, wherein one end of the supporting rod is connected with the air valve device, and the other end of the supporting rod is connected with one end of the cross bar toggle clip; the cushion is arranged at the other end of the cross bar toggle clip; the sensor is arranged on the supporting rod and is positioned between the cross bar toggle clip and a worktable surface; the air valve device is connected with a driving guide rail arranged on the drilling machine; the driving guide rail can drive the supporting rod to move back and forth along a direction parallel to the worktable surface; and the air valve device can drive the supporting rod to move up and down along a direction perpendicular to the worktable surface. According to the circuit board fixing device provided by the invention, the automatic operation is realized, the time is saved, the production efficiency is improved, and the manual cost is reduced. Moreover, the circuit board is firmly fixed, the quality problem caused by plate surface movement and residual adhesives due to tensile deformation of a masking tape is solved, and the wastes are reduced.
Description
Technical field
The present invention relates to a kind of fixture, in particular to the fixing means using this device when a kind of circuit board fixing device, drilling machine containing this device and circuit boring.
Background technology
At present, carrying out in machine drilling production process at circuit board, for preventing circuit board PIN nail (i.e. fixing nail) and boring cover plate from moving, needing to be fixed circuit board and boring cover plate.Traditional method uses masking tape circuit board surrounding and board bakelite plate to be pasted, thus reach fixing circuit board and prevent the object of boring cover plate movement.
But there is following shortcoming in said method:
1, the procedure for producing after giving boring brings difficulty.Glue stain on masking tape is easily adhered on circuit boards, causes plate face cannot normally copper facing in follow-up plating makes, formation cull.Particularly HDI plate (i.e. high density interconnect plate, the abbreviation for High Density Interconnection), along with product is constantly upgraded, product wiring is towards highly dense development, and cull is also increasing on the impact of quality.
2, there is production quality hidden danger.The effect fixing with masking tape is good not, and easily extend due to adhesive tape and be out of shape, misoperation easily causes circuit board to move, and causes the scratch of plate face and boring off normal.
3, inefficiency, cost are high.This fixing means needs manual hand manipulation, and the time is relatively long, and cost of labor is high.
Summary of the invention
Technical problem to be solved by this invention is, provides a kind of circuit board fixing device, can realize automation mechanized operation, and then reduces cost of labor; Save the operating time, thus to enhance productivity, and make fixing more firm of circuit board, solve the plate face that masking tape stretcher strain causes simultaneously and move the quality problem caused with cull, and reduce the generation of discarded object, be conducive to environmental protection.Present invention also offers fixing means when a kind of drilling machine and circuit boring.
In view of this, the invention provides a kind of circuit board fixing device, for fixing during printed circuit board drilling, this device comprises support bar, cross bar clip, cushion, transducer and air-valve device, wherein, described support bar one end is connected with described air-valve device, the other end is connected with one end of described cross bar clip, the other end of described cross bar clip is provided with described cushion, described sensor setting is on described support bar and between described cross bar clip and the work top of drilling machine, described transducer and described cross bar clip are positioned at the same side of described support bar, described air-valve device is connected with the drive rail be arranged on drilling machine, described drive rail can drive described support bar to move forward and backward along the direction being parallel to described work top, and described air-valve device can drive described support bar to move up and down along the direction perpendicular to described work top.
The fixture of circuit board provided by the invention, achieves automation mechanized operation, thus reduces cost of labor; Save the operating time, thus improve production efficiency, and make fixing more firm of circuit board, solve the plate face that masking tape stretcher strain causes and move the quality problem caused with cull, and decrease the generation of discarded object, be conducive to environmental protection.
In technique scheme, preferably, described transducer is displacement transducer or touch sensor.
Displacement transducer precision is high, antijamming capability is strong, easy for installation, use is reliable; Touch sensor structure is simple, successful, and those skilled in the art and can require to select suitable transducer according to different needs.
In technique scheme, preferably, described cushion is provided with pressure sensor.
Cushion is provided with pressure sensor can measure cross bar clip and boring cover plate between force value change, prevent the damage causing circuit board because pressure is excessive.
In technique scheme, preferably, described cushion is that rubber, sponge or plastics are made.
The cushion be made up of rubber, sponge or plastics, effectively can play cushioning effect, protective circuit plate, reduces cross bar clip to the wearing and tearing of circuit board, and cushion can increase the frictional force between cross bar clip and boring cover plate, and what circuit board was fixed is more firm.
In technique scheme, preferably, described drive rail is double track drive rail.
Drive rail can ensure the linearity that the movement line of fixture keeps certain, and structure is simple, and highly efficient durable is cheap, can reduce manufacturing cost; It is more stable that double track drive rail can make fixture run.
Present invention also offers a kind of drilling machine, comprise bakelite plate and the circuit board fixing device described in above-mentioned arbitrary technical scheme, described bakelite plate is fixed on the work top of described drilling machine, its every one side is all provided with described circuit board fixing device, and described circuit board fixing device can compress the circuit board be placed on described bakelite plate.
Obviously, this drilling machine has whole beneficial effects of foregoing circuit board fixer, does not repeat them here.
In technique scheme, preferably, described bakelite plate every on all offer the groove corresponding with the support bar of described circuit board fixing device, described groove can hold described support bar.
The setting of groove can make cross bar clip larger with the contact area of boring cover plate, makes the more effective fixing circuit board of fixture.
Present invention also offers fixing means during a kind of circuit boring, comprise the steps:
Step 102, by PIN nail successively through boring cover plate and circuit board, and be screwed into every on all offer in the PIN hole of reeded bakelite plate, described bakelite plate is fixed on the work top of drilling machine;
Step 104, by described bakelite plate often circuit board as described in the upper clamping of the circuit board fixing device as described in above-mentioned arbitrary technical scheme arranged;
Step 106, after described circuit board is clamped, drilling machine is holed;
Step 108, after boring, starts reset switch and makes described circuit board fixing device get back to initial position.
Further, preferably, described step 104 specifically comprises the steps:
Step 1042, open starting switch, conveyor track on drilling machine drives the support bar of described circuit board fixing device along being parallel to described work top and moving to the direction close to described bakelite plate, when described support bar is contained in described groove and described bakelite plate encountered by transducer on described support bar, described support bar stops the movement along being parallel on described work top direction;
Step 1044, the air-valve device of described circuit board fixing device drives described support bar to move along the direction perpendicular to described work top, the cross bar clip of described post upper is made to move closer to described work top, when the cushion on described cross bar clip and the pressure between described boring cover plate arrive preset value, described support bar stops, along perpendicular to the movement on described work top direction, clamping described circuit board.
Fixing means during circuit boring provided by the invention; achieve automation mechanized operation; thus reduce cost of labor; save the operating time; thus improve production efficiency, and make fixing more firm of circuit board, solve the plate face that masking tape stretcher strain causes simultaneously and move the quality problem caused with cull; and decrease the generation of discarded object, be conducive to environmental protection.
In technique scheme, preferably, in described step 1044, described cushion is provided with pressure sensor.
Cushion is provided with pressure sensor can measure cross bar clip and boring cover plate between force value change, prevent the damage causing circuit board because pressure is excessive.
In sum; circuit board fixing device provided by the invention; achieve automation mechanized operation; thus reduce cost of labor, save the operating time, thus improve production efficiency; and make fixing more firm of circuit board; solve the plate face that masking tape stretcher strain causes simultaneously and move the quality problem caused with cull, and decrease the generation of discarded object, be conducive to environmental protection.
Accompanying drawing explanation
Fig. 1 is circuit board fixing device structural representation of the present invention;
Fig. 2 is the perspective view of bakelite plate;
Fig. 3, Fig. 4 and Fig. 5 are circuit board fixing device three working state schematic representations;
The schematic flow sheet of fixing means during Fig. 6 circuit boring of the present invention.
Wherein, the corresponding relation in Fig. 1 to Fig. 6 between Reference numeral and component names is:
1 support bar, 2 cross bar clips, 3 cushions, 4 transducers, 5 air-valve devices, 6 work tops, 7 bakelite plates, 701 grooves, 8PIN follows closely, 9 boring cover plates, 10 circuit boards, 11 drive rail.
Embodiment
In order to more clearly understand above-mentioned purpose of the present invention, feature and advantage, below in conjunction with the drawings and specific embodiments, the present invention is further described in detail.It should be noted that, when not conflicting, the feature in the embodiment of the application and embodiment can combine mutually.
Set forth a lot of detail in the following description so that fully understand the present invention; but; the present invention can also adopt other to be different from other modes described here and implement, and therefore, protection scope of the present invention is not by the restriction of following public specific embodiment.
As shown in Figure 1, the invention provides a kind of circuit board fixing device, fixing when holing for printed circuit board (PCB) 10, this device comprises support bar 1, cross bar clip 2, cushion 3, transducer 4 and air-valve device 5, wherein, described support bar 1 one end is connected with described air-valve device 5, the other end is connected with one end of described cross bar clip 2, the other end of described cross bar clip 2 is provided with described cushion 3, described transducer 4 to be arranged on described support bar 1 and between described cross bar clip 2 and the work top 6 of drilling machine, described transducer 4 and described cross bar clip 2 are positioned at the same side of described support bar 1, described air-valve device 5 is connected with the drive rail 11 be arranged on drilling machine, described drive rail 11 can drive described support bar 1 to move forward and backward along the direction being parallel to described work top 6, and described air-valve device 5 can drive described support bar 1 to move up and down along the direction perpendicular to described work top 6.
The fixture of circuit board provided by the invention, achieves automation mechanized operation, thus reduces cost of labor; Save the operating time, thus improve production efficiency, and make fixing more firm of circuit board, solve the plate face that masking tape stretcher strain causes and move the quality problem caused with cull, and decrease the generation of discarded object, be conducive to environmental protection.
In the above-described embodiments, preferably, described transducer 4 is displacement transducer or touch sensor.
Displacement transducer precision is high, antijamming capability is strong, easy for installation, use is reliable; Touch sensor structure is simple, successful, and those skilled in the art and can require to select suitable transducer according to different needs.
In the above-described embodiments, preferably, described cushion 3 is provided with pressure sensor.
Cushion is provided with pressure sensor can measure cross bar clip and boring cover plate between force value change, prevent the damage causing circuit board because pressure is excessive.
In the above-described embodiments, preferably, described cushion 3 is that rubber, sponge or plastics are made.
The cushion be made up of rubber, sponge or plastics, effectively can play cushioning effect, protective circuit plate, reduces cross bar clip to the wearing and tearing of circuit board, and cushion can increase the frictional force between cross bar clip and boring cover plate, and what circuit board was fixed is more firm.
One of ordinary skill in the art will readily recognize that cushion 3 described in the application also can be that other have material that is flexible, toughness and make.
In the above-described embodiments, preferably, described drive rail 11 is double track drive rail.
Drive rail can ensure the linearity that the movement line of fixture keeps certain, and structure is simple, and highly efficient durable is cheap, can reduce manufacturing cost; It is more stable that double track drive rail can make fixture run.
Present invention also offers a kind of drilling machine (not shown), comprise bakelite plate 7 and the circuit board fixing device described in above-mentioned any embodiment, described bakelite plate 7 is fixed on the work top 6 of described drilling machine, its every one side is all provided with described circuit board fixing device, and described circuit board fixing device can compress the circuit board 10 be placed on described bakelite plate 7.
Obviously, this drilling machine has whole beneficial effects of foregoing circuit board fixer, does not repeat them here.
In the above-described embodiments, preferably, as shown in Figure 2, described bakelite plate 7 every on all offer the groove 701 corresponding with the support bar 1 of described circuit board fixing device, described groove 701 can hold described support bar 1.
The setting of groove can make cross bar clip larger with the contact area of boring cover plate, makes the more effective fixing circuit board of fixture.
As shown in Figure 6, present invention also offers fixing means during a kind of circuit boring, comprise the steps:
Step 102, as shown in Figure 3, by PIN nail 8 successively through boring cover plate 9 and circuit board 10, and be screwed into every on all offer in the PIN hole of the bakelite plate 7 of groove 701, described bakelite plate 7 is fixed on the work top 6 of drilling machine;
Step 104, by described bakelite plate 7 often circuit board 10 as described in the upper clamping of the circuit board fixing device as described in above-mentioned any embodiment arranged;
Step 106, after described circuit board 10 is clamped, drilling machine is holed;
Step 108, after boring, starts reset switch and makes described circuit board fixing device get back to initial position.
Further, preferably, described step 104 specifically comprises the steps:
Step 1042, as shown in Figure 4, open starting switch, conveyor track on drilling machine drives the support bar 1 of described circuit board fixing device along being parallel to described work top 6 and moving to the direction close to described bakelite plate 7, when described support bar 1 is contained in described groove 701 and described bakelite plate 7 encountered by transducer 4 on described support bar 1, described support bar 1 stops the movement along being parallel on described work top 6 direction;
Step 1044, as shown in Figure 5, the air-valve device 5 of described circuit board fixing device drives described support bar 1 to move along the direction perpendicular to described work top 6, the cross bar clip of described support bar 1 upper end is made to move closer to described work top 6, when the cushion 3 on described cross bar clip and the pressure between described boring cover plate 9 arrive preset value, described support bar 1 stops, along perpendicular to the movement on described work top 6 direction, clamping described circuit board 10.
Fixing means during circuit boring provided by the invention; achieve automation mechanized operation; thus reduce cost of labor; save the operating time; thus improve production efficiency, and make fixing more firm of circuit board, solve the plate face that masking tape stretcher strain causes simultaneously and move the quality problem caused with cull; and decrease the generation of discarded object, be conducive to environmental protection.
In the above-described embodiments, preferably, in described step 1044, described cushion 3 is provided with pressure sensor.
Cushion is provided with pressure sensor can measure cross bar clip and boring cover plate between force value change, prevent the damage causing circuit board because pressure is excessive.
In sum; circuit board fixing device provided by the invention; achieve automation mechanized operation; thus reduce cost of labor, save the operating time, thus improve production efficiency; and make fixing more firm of circuit board; solve the plate face that masking tape stretcher strain causes and move the quality problem caused with cull, and decrease the generation of discarded object, be conducive to environmental protection.
In the present invention, the term such as term " installation ", " being connected ", " connection ", " fixing " all should be interpreted broadly, and such as, " connection " can be fixedly connected with, and also can be removably connect, or connects integratedly; Can be directly be connected, also indirectly can be connected by intermediary.For the ordinary skill in the art, above-mentioned term concrete meaning in the present invention can be understood as the case may be.
The foregoing is only the preferred embodiments of the present invention, be not limited to the present invention, for a person skilled in the art, the present invention can have various modifications and variations.Within the spirit and principles in the present invention all, any amendment done, equivalent replacement, improvement etc., all should be included within protection scope of the present invention.
Claims (10)
1. a circuit board fixing device, fixing when holing for circuit board (10), is characterized in that, comprise support bar (1), cross bar clip (2), cushion (3), transducer (4) and air-valve device (5), wherein,
Described support bar (1) one end is connected with described air-valve device (5), the other end is connected with one end of described cross bar clip (2), the other end of described cross bar clip (2) is provided with described cushion (3), described transducer (4) is arranged on described support bar (1) and goes up and be positioned between described cross bar clip (2) and the work top (6) of drilling machine, described transducer (4) and described cross bar clip (2) are positioned at the same side of described support bar (1), and described air-valve device (5) is connected with the drive rail be arranged on drilling machine (11);
Described drive rail (11) can drive described support bar (1) to move forward and backward along the direction being parallel to described work top (6), and described air-valve device (5) can drive described support bar (1) to move up and down along the direction perpendicular to described work top (6).
2. circuit board fixing device according to claim 1, is characterized in that, described transducer (4) is displacement transducer or touch sensor.
3. circuit board fixing device according to claim 1, is characterized in that, (3) are provided with pressure sensor with described cushion.
4. circuit board fixing device according to claim 3, is characterized in that, described cushion (3) is rubber, sponge or plastics are made.
5. circuit board fixing device according to claim 1, is characterized in that, described drive rail (11) is double track drive rail.
6. a drilling machine, it is characterized in that, comprise bakelite plate (7) and the circuit board fixing device according to any one of claim 1 to 5, described bakelite plate (7) is fixed on the work top (6) of described drilling machine, its every one side is all provided with described circuit board fixing device, and described circuit board fixing device can compress the circuit board (10) be placed on described bakelite plate (7).
7. drilling machine according to claim 6, it is characterized in that, every one side of described bakelite plate (7) all offers the groove (701) corresponding with the support bar of described circuit board fixing device (1), described groove (701) can hold described support bar (1).
8. fixing means during circuit boring, is characterized in that, comprises the steps:
Step 102, by PIN nail (8) successively through boring cover plate (9) and circuit board (10), and be screwed into often and all offer in the PIN hole of bakelite plate (7) of groove (701), described bakelite plate (7) is fixed on the work top (6) of drilling machine;
Step 104, by described bakelite plate (7) often circuit board (10) as described in the upper clamping of the circuit board fixing device according to any one of claim 1 to 5 arranged;
Step 106, after described circuit board (10) is clamped, drilling machine is holed;
Step 108, after boring, starts reset switch and makes described circuit board fixing device get back to initial position.
9. fixing means during circuit boring according to claim 8, is characterized in that, described step 104 specifically comprises the steps:
Step 1042, open starting switch, conveyor track on drilling machine drives the support bar of described circuit board fixing device (1) along being parallel to described work top (6) and moving to the direction close to described bakelite plate (7), when described support bar (1) is contained in described groove (701) and transducer (4) on described support bar (1) encounters described bakelite plate (7), described support bar (1) stops the movement along being parallel on described work top (6) direction;
Step 1044, the air-valve device (5) of described circuit board fixing device drives described support bar (1) to move along the direction perpendicular to described work top (6), the cross bar clip of described support bar (1) upper end is made to move closer to described work top (6), when pressure between the cushion (3) on described cross bar clip and described boring cover plate (9) arrives preset value, described support bar (1) stops, along perpendicular to the movement on described work top (6) direction, clamping described circuit board (10).
10. the fixing means of circuit board according to claim 9, is characterized in that, in described step 1044, described cushion (3) is provided with pressure sensor.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310409560.8A CN104427771B (en) | 2013-09-10 | 2013-09-10 | Fixing means when drilling machine and circuit boring |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310409560.8A CN104427771B (en) | 2013-09-10 | 2013-09-10 | Fixing means when drilling machine and circuit boring |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN104427771A true CN104427771A (en) | 2015-03-18 |
| CN104427771B CN104427771B (en) | 2019-02-26 |
Family
ID=52975378
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201310409560.8A Active CN104427771B (en) | 2013-09-10 | 2013-09-10 | Fixing means when drilling machine and circuit boring |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN104427771B (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN105555029A (en) * | 2015-12-14 | 2016-05-04 | 谢兴龙 | Drilling hole positioning method of single-sided circuit and double-sided circuit board |
| CN108770204A (en) * | 2018-05-24 | 2018-11-06 | 昆山巨青电子有限公司 | A kind of drilling method and hole-drilling system of printed circuit board |
| CN110076596A (en) * | 2019-05-23 | 2019-08-02 | 西北工业大学 | Composite laminated plate Milling Process special fixture |
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| CN105555029B (en) * | 2015-12-14 | 2019-01-29 | 谢兴龙 | A kind of drilling and positioning method of single, double surface wiring board |
| CN108770204A (en) * | 2018-05-24 | 2018-11-06 | 昆山巨青电子有限公司 | A kind of drilling method and hole-drilling system of printed circuit board |
| CN108770204B (en) * | 2018-05-24 | 2021-06-01 | 昆山巨青电子有限公司 | Drilling method and drilling system for printed circuit board |
| CN110076596A (en) * | 2019-05-23 | 2019-08-02 | 西北工业大学 | Composite laminated plate Milling Process special fixture |
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|---|---|
| CN104427771B (en) | 2019-02-26 |
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Address after: 100871, Beijing, Haidian District Cheng Fu Road 298, founder building, 9 floor Patentee after: PEKING UNIVERSITY FOUNDER GROUP Co.,Ltd. Patentee after: ZHUHAI FOUNDER TECH. HI-DENSITY ELECTRONIC Co.,Ltd. Patentee after: PKU FOUNDER INFORMATION INDUSTRY GROUP CO.,LTD. Address before: 100871, Beijing, Haidian District Cheng Fu Road 298, founder building, 9 floor Patentee before: PEKING UNIVERSITY FOUNDER GROUP Co.,Ltd. Patentee before: ZHUHAI FOUNDER TECH. HI-DENSITY ELECTRONIC Co.,Ltd. Patentee before: FOUNDER INFORMATION INDUSTRY HOLDINGS Co.,Ltd. |
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Effective date of registration: 20220921 Address after: 3007, Hengqin international financial center building, No. 58, Huajin street, Hengqin new area, Zhuhai, Guangdong 519031 Patentee after: New founder holdings development Co.,Ltd. Patentee after: ZHUHAI FOUNDER TECH. HI-DENSITY ELECTRONIC Co.,Ltd. Address before: 100871, Beijing, Haidian District Cheng Fu Road 298, founder building, 9 floor Patentee before: PEKING UNIVERSITY FOUNDER GROUP Co.,Ltd. Patentee before: ZHUHAI FOUNDER TECH. HI-DENSITY ELECTRONIC Co.,Ltd. Patentee before: PKU FOUNDER INFORMATION INDUSTRY GROUP CO.,LTD. |