CN201746602U - PCB sheet clamp - Google Patents
PCB sheet clamp Download PDFInfo
- Publication number
- CN201746602U CN201746602U CN2010201859448U CN201020185944U CN201746602U CN 201746602 U CN201746602 U CN 201746602U CN 2010201859448 U CN2010201859448 U CN 2010201859448U CN 201020185944 U CN201020185944 U CN 201020185944U CN 201746602 U CN201746602 U CN 201746602U
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- CN
- China
- Prior art keywords
- pcb
- anchor clamps
- clamping
- thin plate
- utility
- 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
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Abstract
The utility model discloses a PCB (printed circuit board) sheet clamp, comprising a fixing mechanism and a stainless steel clamping plate, wherein one surface of the clamping plate is a clamping surface for clamping a PCB or a substrate thereof; and the fixing mechanism is arranged correspondingly to the periphery of the clamping surface. In the utility model, the thickness of the electroplating copper on the surface of a PCB electroplated product can be distributed more uniformly.
Description
Technical field
The utility model relates to a kind of PCB producing apparatus, relates in particular to a kind of PCB thin plate anchor clamps.
Background technology
Most printed circuit board (PCB) (PCB) or its substrate processing equipment all have requirement to the product thickness of slab, and when thickness of slab＜0.1mm, PCB or its substrate because of plate is thin deformation take place easily, are difficult to process under most of processing procedures usually.
The thin plate anchor clamps that prior art is used monolateral method of clamping are PCB or its substrate fixedly, makes thin plate have enough rigidity and deformation does not take place, thereby thin plate can be produced on existing processing units smoothly, and easy to operate.
When processing fine rule PCB or its pdm substrate, be to guarantee fine rule road workability, thin Copper Foil (the thinnest at present be 1um) can be set, according to the direct current resistance formula:
R＝ρ×L÷A
R: resistance;
A: conductor cross-sectional area;
L: conductor length;
ρ: specific resistance;
As shown from the above formula, under the constant prerequisite of other condition, Copper Foil is thin more, and resistance is big more.
In PCB or its substrate procedure for processing electro-coppering operation,,, can influence the thick distributing homogeneity of electro-coppering because product surface Copper Foil resistance is bigger according to existing monolateral method of clamping commonly used.
The utility model content
The technical problem that the utility model mainly solves provides and a kind ofly can make the thick distribution of PCB plated item surface electrical copper facing PCB thin plate anchor clamps more uniformly.
For solving the problems of the technologies described above, the technical scheme that the utility model adopts is: a kind of PCB thin plate anchor clamps are provided, comprise fixed mechanism and stainless steel clamping plate, described clamping plate one surface is the clamping face of clamping PCB or its substrate, and the corresponding described clamping face periphery of described fixed mechanism is provided with.
The beneficial effects of the utility model are: be different from prior art uneven situation of electro-coppering thickness distribution when adopting existing thin plate anchor clamps to carry out the PCB plating, the utility model PCB thin plate anchor clamps adopt the higher stainless steel of electroconductibility as splint material, because electroconductibility is higher, Copper Foil with the PCB product surface is in parallel, resistance is less on the whole, can not influence the thick distributing homogeneity of electro-coppering, therefore can improve the thick distribution of electro-coppering on PCB plated item surface, make it more even.
Description of drawings
Fig. 1 is the vertical view of the utility model PCB thin plate anchor clamps embodiment band PCB product;
Fig. 2 is the upward view of the utility model PCB thin plate anchor clamps embodiment;
Fig. 3 is the sectional view of the utility model PCB thin plate anchor clamps embodiment;
Fig. 4 is the schematic cross-section of the utility model PCB thin plate anchor clamps embodiment band PCB product.
Embodiment
By describing technology contents of the present utility model, structural attitude in detail, realized purpose and effect, give explanation below in conjunction with embodiment and conjunction with figs. are detailed.
See also Fig. 1, Fig. 2, Fig. 3 and Fig. 4, the utility model PCB thin plate anchor clamps embodiment comprises fixed mechanism 10 and stainless steel clamping plate 20, described clamping plate 20 1 surfaces are clamping faces 21 of clamping PCB or its substrate, and described fixed mechanism 10 corresponding described clamping face 21 peripheries are provided with.
The utility model PCB thin plate anchor clamps adopt the higher stainless steel of electroconductibility as clamping plate 20 materials, because electroconductibility is higher, Copper Foil with the PCB product surface is in parallel, resistance is less on the whole, can not influence the thick distributing homogeneity of electro-coppering, therefore can improve the thick distribution of electro-coppering on PCB plated item surface, make it more even.
In one embodiment, described stainless steel clamping plate 20 are corrosion-resistant, high conductivity stainless steel clamping plate 20.
In one embodiment, described fixed mechanism 10 comprises the fixed orifices 11 that is arranged on described clamping face 21 peripheries and the bolt 12 of adaptive described fixed orifices 11.
In one embodiment, described fixed orifices 11 inwalls are provided with the screw thread (figure do not show) adaptive with described bolt 12.
In one embodiment, the corner of described fixed mechanism 10 corresponding described clamping faces 21 is provided with.
In one embodiment, described fixed mechanism 10 can also be a clip etc.
In the utility model, the thin plate anchor clamps are whole to adopt rigidity, corrosion-resistant and have high conductivity stainless material (as 316 a specification stainless steels) manufacturing, specific position porose (can adjust aperture, position and quantity according to actual needs) all around, internal thread (need not use nut more in addition when subsequent fixed PCB or its substrate) is arranged in the hole, and be furnished with the bolt 12 of corresponding specification.
Take off bolt 12 during use earlier, PCB or its substrate be placed on the clamping face 21 of clamping plate 20 of thin plate anchor clamps, PCB or its substrate need be in advance in the corresponding position (hole site on the corresponding anchor clamps) bored the hole, load onto bolt 12 then and tighten.
The above only is embodiment of the present utility model; be not so limit claim of the present utility model; every equivalent structure or equivalent flow process conversion that utilizes the utility model specification sheets and accompanying drawing content to be done; or directly or indirectly be used in other relevant technical fields, all in like manner be included in the scope of patent protection of the present utility model.
Claims (6)
1. PCB thin plate anchor clamps is characterized in that, comprise fixed mechanism and stainless steel clamping plate, and described clamping plate one surface is the clamping face of clamping PCB or its substrate, and the corresponding described clamping face periphery of described fixed mechanism is provided with.
2. PCB thin plate anchor clamps according to claim 1 is characterized in that: described stainless steel clamping plate are corrosion-resistant, high conductivity stainless steel clamping plate.
3. PCB thin plate anchor clamps according to claim 2 is characterized in that: described fixed mechanism comprises the fixed orifices that is arranged on described clamping face periphery and the bolt of adaptive described fixed orifices.
4. PCB thin plate anchor clamps according to claim 3 is characterized in that: described fixed orifices inwall is provided with the screw thread adaptive with described bolt.
5. according to each described PCB thin plate anchor clamps of claim 1 to 4, it is characterized in that: the corner of the corresponding described clamping face of described fixed mechanism is provided with.
6. PCB thin plate anchor clamps according to claim 1, it is characterized in that: described fixed mechanism is a clip.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010201859448U CN201746602U (en) | 2010-05-11 | 2010-05-11 | PCB sheet clamp |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010201859448U CN201746602U (en) | 2010-05-11 | 2010-05-11 | PCB sheet clamp |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201746602U true CN201746602U (en) | 2011-02-16 |
Family
ID=43581281
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2010201859448U Expired - Fee Related CN201746602U (en) | 2010-05-11 | 2010-05-11 | PCB sheet clamp |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201746602U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107059085A (en) * | 2016-12-01 | 2017-08-18 | 珠海杰赛科技有限公司 | Thin PCB electroplates toter |
| CN110944452A (en) * | 2019-12-05 | 2020-03-31 | 恩达电路(深圳)有限公司 | Impedance control method for high-performance fine line flexible circuit board |
-
2010
- 2010-05-11 CN CN2010201859448U patent/CN201746602U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107059085A (en) * | 2016-12-01 | 2017-08-18 | 珠海杰赛科技有限公司 | Thin PCB electroplates toter |
| CN110944452A (en) * | 2019-12-05 | 2020-03-31 | 恩达电路(深圳)有限公司 | Impedance control method for high-performance fine line flexible circuit board |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C17 | Cessation of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20110216 Termination date: 20130511 |