CN206380186U - The auxiliary fixture electroplated for flexible printed circuit board - Google Patents

Abstract

The utility model is related to a kind of auxiliary fixture electroplated for flexible printed circuit board, by being provided with least one first electroplating region and at least one second electroplating region on bottom plate, multiple strip first through hole and the through hole of multiple small-bores second are placed with first electroplating region and the second electroplating region respectively, correspond to larger area electroplating range in the circuit of flexible printed circuit board using strip first through hole, and the through hole of small-bore second correspond to flexible printed circuit board circuit in compared with small area electroplating range, and the through hole of small-bore second can delay the plating ion at flexible printed circuit board small area plating area to adhere to speed, and then the coating film thickness of the different plating area of flexible printed circuit board area is reached preferably uniformity.

Description

The auxiliary fixture electroplated for flexible printed circuit board

Technical field

The utility model is related to flexible PCB field of electroplating, and in particular to a kind of to be used for what flexible printed circuit board was electroplated Auxiliary fixture.

Background technology

When carrying out the plating of locality copper for auxiliary flexible printed circuit board (PCB), it will usually be attached to flexibility using a plating framework Printed circuit board (PCB) periphery is to carry out electroplating activity, when flexible printed circuit board combines plating framework progress copper electroplating process, electricity Plating framework is provided in the periphery of flexible printed circuit board, then is fixed with fixture, but is due to that flexible printed circuit board is each The predetermined plating area discrepancy in position is big, and electroforming is inconsistent in the coating film thickness of flexible printed circuit board, wherein, flexible printing After plating, plating thickness is relatively thin in plating area large area, and electroplates the plating thickness of area smaller area for circuit board Degree is thicker, so as to cause the coating film thickness uniformity of whole flexible printed circuit board poor.

Utility model content

Main purpose of the present utility model is in view of the above-mentioned problems, providing a kind of can improve being used for for electroplating evenness The auxiliary fixture of flexible printed circuit board plating.

To solve the above problems, the technical scheme that the utility model is used is：One kind is used for flexible printed circuit board electricity The auxiliary fixture of plating, including a bottom plate, multiple electroplating clamps and multiple geometrical clamps, the bottom plate are attached at flexible printed circuit board The one side of pre-galvanized, the electroplating clamp is clamped in the upper end of the be sticked bottom plate and flexible printed circuit board together, institute State and be provided with the left and right sides that geometrical clamp is clamped in the be sticked bottom plate and flexible printed circuit board together, the bottom plate At least one first electroplating region and at least one second electroplating region, first electroplating region are set to strip, second plating Area is set to bulk, and the area of first electroplating region, which is more than in the area setting of the second electroplating region, first electroplating region, to be arranged Multiple strip first through hole are furnished with, second electroplating region is scattered to be placed with multiple second through holes.

In preferred embodiment of the present utility model, the electroplating clamp is electrically connected with the circuit of flexible printed circuit board.

In preferred embodiment of the present utility model, second through hole is set to the manhole that aperture is not more than 3mm.

In preferred embodiment of the present utility model, first electroplating region and the second electroplating region are interspersed at the bottom On plate.

In preferred embodiment of the present utility model, first electroplating region is set to 6,6 first electroplating regions Parallel arrangement is on the bottom plate, and second electroplating region is disposed as 12, described two spaced first electroplating regions It is provided with the space of encirclement in four second electroplating regions, each first electroplating region and is provided with a first through hole, 19 the second through holes are provided with each second electroplating region, the first through hole is arranged in the first plating head of district side Edge, second through hole is scattered to be arranged in second electroplating region.

The utility model takes above technical scheme, with advantages below：This is used for the auxiliary of flexible printed circuit board plating Help tool, by being provided with least one first electroplating region and at least one second electroplating region on bottom plate, the first electroplating region and Multiple strip first through hole and the through hole of multiple small-bores second are placed with second electroplating region respectively, strip first through hole pair is utilized Should in the circuit of flexible printed circuit board larger area electroplating range, and the through hole of small-bore second correspond to flexible print circuit Compared with small area electroplating range in the circuit of plate, and the through hole of small-bore second can delay flexible printed circuit board small area plating area The plating ion attachment speed at place, and then the coating film thickness of the different plating area of flexible printed circuit board area is reached Preferably uniformity.

The utility model is described in further detail with reference to the accompanying drawings and examples.

Brief description of the drawings

Fig. 1 is the structure for the auxiliary fixture overall co-ordination electroplated in the utility model embodiment for flexible printed circuit board Schematic diagram；

Fig. 2 shows to be used for the structure of bottom plate in the auxiliary fixture that flexible printed circuit board is electroplated in the utility model embodiment It is intended to；

Fig. 3 be Fig. 2 shown in bottom plate in A structures enlarged diagram.

Embodiment

Referring to figs. 1 to Fig. 3, a kind of auxiliary fixture electroplated for flexible printed circuit board, including a bottom plate 10, Duo Ge electricity Plate and at least one the first electroplating region 11 and at least one second electroplating region are provided with fixture 30 and multiple geometrical clamps 40, bottom plate 10 12, the first electroplating region 11 is set to strip, and the second electroplating region 12 is set to bulk, the corresponding flexible print circuit of the first electroplating region 11 On larger area electroplating range (large area stripe region in such as Fig. 1) on plate, the second electroplating region 12 correspondence flexible printed circuit board Compared with small area electroplating range, the local small area boxed area such as the weld pad in circuit, via hole, the first electroplating region 11 The area that area is more than the second electroplating region 12 is set, and the first electroplating region 11 is placed with multiple strip first through hole 110, the second plating Area 12 is scattered to be placed with multiple the second through holes of small-bore 120, and the second 120 points of through hole is manhole, specifically, on bottom plate 10 First electroplating region 11 and the quantity of the second electroplating region 12 and configuration of the arrangement position according to the flexible printed circuit board to be used Set, in the present embodiment, as shown in figure 1, the first electroplating region 11 is set to 6,6 parallel arrangements of the first electroplating region 11 are the bottom of at On plate 10, the second electroplating region 12 is disposed as being provided with 12, the space that two spaced first electroplating regions 11 are surrounded It is provided with a first through hole 110, each second electroplating region 12 and sets in four the second electroplating regions 12, each first electroplating region 11 19 the second through holes 120 are equipped with, first through hole 110 is arranged in the edge on the long side of the first electroplating region 11, the scattered row of the second through hole 120 Cloth is in the second electroplating region 12.

When carrying out electroplating activity using the auxiliary fixture, the side surface of flexible printed circuit board 20 1 is provided with circuit to be electroplated 21, the bottom plate 10 is attached at the one side of the predetermined plating of circuit 21 of flexible printed circuit board 20 to be electroplated, wherein on bottom plate 10 Strip first through hole 110 correspond to larger area electroplating range in the circuit 21 of flexible printed circuit board 20, on bottom plate 10 The second through hole of small-bore 120 corresponds in the circuit 21 of flexible printed circuit board 20 compared with small area electroplating range, and uses multiple electricity Plating fixture 30 is held on auxiliary frame and the upper end of flexible printed circuit board 20 simultaneously, and electroplating clamp 30 is electrically connected with flexible printing electricity The circuit 21 of road plate 20, while auxiliary frame and the left and right sides of flexible printed circuit board 20 are clamped simultaneously with multiple geometrical clamps 40, When being electroplated, auxiliary frame will be combined and flexible printed circuit board 20 is together put into immerse in electroplating bath and electricity is carried out in electroplate liquid Plate operation, during plating, auxiliary frame by the entity part of bottom plate 10 be affixed on the side of flexible printed circuit board 20 with The strip first through hole 110 and the second through hole of small-bore 120 produced on bridging effect, bottom plate 10 makes flexible printed circuit board 20 The predetermined plated parts of circuit 21 are exposed outside, so as to be attached to flexible printed circuit board 20 pre- for the plating ion in electroplate liquid Plated parts are determined, wherein being more used for using the second through hole of multiple small-bores 120 of the scattered arrangement of the second electroplating region 12 on bottom plate 10 Compared with small area plating area on correspondence flexible printed circuit board 20, to delay at the small area plating area of flexible printed circuit board 20 Plating ion attachment speed, and then the coating film thickness of the different plating area of the area of flexible printed circuit board 20 is reached Preferably uniformity.

In summary, this is used for the auxiliary fixture of flexible printed circuit board plating by being provided with least one on bottom plate 10 It is placed with respectively in individual first electroplating region 11 and at least one second electroplating region 12, the first electroplating region 11 and the second electroplating region 12 many Individual strip first through hole 110 and the second through hole of multiple small-bores 120, correspond to flexible printing electricity using strip first through hole 110 Larger area electroplating range in the circuit 21 of road plate 20, and the second through hole of small-bore 120 corresponds to flexible printed circuit board 20 Compared with small area electroplating range in circuit 21, and the second through hole of small-bore 120 can delay flexible printed circuit board small area electroplating region Plating ion attachment speed at domain, and then the coating film thickness of the different plating area of flexible printed circuit board area is reached To preferably uniformity.

Embodiment of the present utility model is above are only, but design concept of the present utility model is not limited thereto, All changes for carrying out unsubstantiality to the utility model using this design, all should belong to the row for invading the utility model protection domain For.

In description of the present utility model, it is to be understood that term " " center ", " longitudinal direction ", " transverse direction ", " length ", " width Degree ", " thickness ", " on ", " under ", "front", "rear", "left", "right", " vertical ", " level ", " top ", " bottom ", " interior ", " outer ", The orientation or position relationship of the instructions such as " clockwise ", " counterclockwise " be based on orientation shown in the drawings or position relationship, be only for It is easy to description the utility model and simplifies describe, rather than to indicate or imply that signified device or element must have specific Orientation, with specific azimuth configuration and operation, therefore it is not intended that to limitation of the present utility model.In addition, term " first ", " second " is only used for describing purpose, and it is not intended that indicating or implying relative importance or imply the technology indicated by indicating The quantity of feature.Thus, " first " is defined, the feature of " second " can be expressed or implicitly include one or more The feature.In description of the present utility model, " multiple " are meant that two or more, unless otherwise clearly specific Limit.

, it is necessary to which explanation, unless otherwise clearly defined and limited, term " are pacified in description of the present utility model Dress ", " connected ", " connection " should be interpreted broadly, for example, it may be fixedly connected or be detachably connected, or integratedly Connection；It can be mechanical connection or electrical connection or can mutually communicate；Can be joined directly together, can also be in Between medium be indirectly connected to, can be connection or the interaction relationship of two elements of two element internals.For this area For those of ordinary skill, concrete meaning of the above-mentioned term in the utility model can be understood as the case may be.

In the utility model, unless otherwise clearly defined and limited, fisrt feature second feature it " on " or it " under " can directly be contacted including the first and second features, it is not direct contact but logical that can also include the first and second features The other characterisation contact crossed between them.Moreover, fisrt feature second feature " on ", " top " and " above " include the One feature is directly over second feature and oblique upper, or is merely representative of fisrt feature level height higher than second feature.First is special Levy second feature " under ", " lower section " and " below " include fisrt feature directly over second feature and oblique upper, or only Represent that fisrt feature level height is less than second feature.Following disclosure provides many different embodiments or example is used for Realize different structure of the present utility model.In order to simplify disclosure of the present utility model, hereinafter to the parts of specific examples and set Put and be described.Certainly, they are only merely illustrative, and purpose does not lie in limitation the utility model.In addition, the utility model can With repeat reference numerals and/or reference letter in different examples, this repetition be for purposes of simplicity and clarity, itself Relation between not indicating discussed various embodiments and/or setting.In addition, the utility model provide it is various specific The example of technique and material, but those of ordinary skill in the art can be appreciated that application and/or the other materials of other techniques Use.

Claims (5)

1. a kind of auxiliary fixture electroplated for flexible printed circuit board, it is characterised in that：Including a bottom plate, multiple electroplating clamps With multiple geometrical clamps, the bottom plate is attached at the one side of flexible printed circuit board pre-galvanized, and the electroplating clamp, which is clamped in, to be sticked The bottom plate together and the upper end of flexible printed circuit board, the geometrical clamp be clamped in the bottom plate that is sticked together and At least one first electroplating region and at least one second plating are provided with the left and right sides of flexible printed circuit board, the bottom plate Area, first electroplating region is set to strip, and second electroplating region is set to bulk, and the area of first electroplating region is more than The area of second electroplating region is set, and multiple strip first through hole are placed with first electroplating region, and second plating is distinguished Dissipate and be placed with multiple second through holes.

2. the auxiliary fixture according to claim 1 electroplated for flexible printed circuit board, it is characterised in that：The plating Fixture is electrically connected with the circuit of flexible printed circuit board.

3. the auxiliary fixture according to claim 1 electroplated for flexible printed circuit board, it is characterised in that：Described second Through hole is set to the manhole that aperture is not more than 3mm.

4. the auxiliary fixture according to claim 1 electroplated for flexible printed circuit board, it is characterised in that：Described first Electroplating region and the second electroplating region are interspersed on the bottom plate.

5. the auxiliary fixture according to claim 1 electroplated for flexible printed circuit board, it is characterised in that：Described first Electroplating region is set to 6, and 6 first electroplating region parallel arrangements are on the bottom plate, and second electroplating region is disposed as 12, four second electroplating regions are provided with the space that described two spaced first electroplating regions are surrounded, it is described every It is provided with individual first electroplating region in a first through hole, each second electroplating region and is provided with 19 the second through holes, it is described First through hole is arranged in the edge on the first plating head of district side, and second through hole is scattered to be arranged in second electroplating region In.