CN205378344U - Whole board aluminium reinforcement flexible line way board - Google Patents
Whole board aluminium reinforcement flexible line way board Download PDFInfo
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- CN205378344U CN205378344U CN201620094237.5U CN201620094237U CN205378344U CN 205378344 U CN205378344 U CN 205378344U CN 201620094237 U CN201620094237 U CN 201620094237U CN 205378344 U CN205378344 U CN 205378344U
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Abstract
The utility model belongs to the technical field of flexible line way board technique and specifically relates to a whole board aluminium reinforcement flexible line way board, glue and the reinforcement of whole board aluminium including whole board flexible line way board, thermosetting, whole board flexible line way board comprises a plurality of flexible line way edition of books body and frame, and a plurality of flexible line way edition of books position adopts the thermosetting glue bond between the bottom of whole board flexible line way board and the reinforcement of whole board aluminium in the frame. Compared with the prior art, the utility model, design the whole board aluminium reinforcement flexible line way board structure, only needed cut off the husband of sister when using, can take off the flexible line way edition of books body, guaranteed product size stability, product size precision's uniformity, in addition, glue through the thermosetting that board flexible line way board will be put in order to the pressfitting mode and whole board aluminum sheet is fixed, the product behind the pressfitting levels, and the temperature toleration is strong, and in the pyroprocess was melted down in the surface encapsulation, the cohesion was good between whole board flexible line way board and the reinforcement of whole board aluminium, peel strength is high, can not take place to arch or the bad phenomenon of delaminating.
Description
Technical field
This utility model relates to flexible circuit board technical field, specifically a kind of imposite aluminum reinforcing flexible wiring board.
Background technology
LED popularization and application gradually now is to automobile lamp, and the three-dimensional that flexible circuit board and the product structure after metal reinforcement combination have is assembled and excellent lamp socket supportive, uses more and more extensive at automobile lamp.Owing to automobile lamp wiring board form in surface encapsulation and light holder support assembling process differs, there is irregular high low head, there is following defect in existing flexible circuit board:
Existing metal reinforcement is to be undertaken fitting with flexible circuit board body one by one by 3M glue, such laminating type not only production efficiency is low, and product size precision concordance is poor, adds to surface encapsulation and bring many puzzlements man-hour, as bad in tin cream off normal, components and parts skew etc..
Additionally, after 3M glue laminating, under normal temperature environment, performance is relatively stable, bubble-free.But melting down high temperature through surface encapsulation, the air heat in 3M glue expands, and makes flexible circuit board body arch upward from irregular metal reinforcement, product surface planarization is poor, the adhesion of 3M glue is relatively low, causes the situation of surface encapsulation failure welding, as components and parts rosin joint, set up a monument, offset, short circuit etc..
Accordingly, it would be desirable to a kind of dimensional stability of design is good, and the imposite aluminum reinforcing flexible wiring board that between flexible circuit board body and metal reinforcement, adhesion is good, peel strength is high.
Summary of the invention
The purpose of this utility model is to overcome the deficiencies in the prior art, it is provided that a kind of dimensional stability is good, and the imposite aluminum reinforcing flexible wiring board that between flexible circuit board body and metal reinforcement, adhesion is good, peel strength is high.
In order to achieve the above object, this utility model is a kind of imposite aluminum reinforcing flexible wiring board, including imposite flexible circuit board, hot-setting adhesive and imposite aluminum reinforcement, it is characterized in that: imposite flexible circuit board is made up of several flexible circuit board bodies and frame, several flexible circuit board bodies are positioned at frame, adopt hot-setting adhesive bonding between bottom and the imposite aluminum reinforcement of imposite flexible circuit board.
The husband of sister is adopted to be connected between described flexible circuit board body and frame.
The described husband of sister is arranged in imposite aluminum reinforcement.
This utility model compared with the existing technology, devises imposite aluminum reinforcing flexible circuit board structure, only need in use by the husband of sister cut off, flexible circuit board body can be taken off, it is ensured that product size stability, product size precision concordance；In addition, by hot-setting adhesive pressing mode, imposite flexible circuit board and imposite aluminium flake are fixed, product after pressing is smooth, and temperature tolerance is strong, melt down in pyroprocess in surface encapsulation, between imposite flexible circuit board and imposite aluminum reinforcement, adhesion is good, peel strength is high, will not arch upward or the bad phenomenon of delamination, thoroughly solve surface encapsulation add man-hour components and parts rosin joint, set up a monument, offset, the bad problem such as short circuit.Greatly reduce the rework rate after surface encapsulation, improving product quality simultaneously, improve production efficiency.
Accompanying drawing explanation
Fig. 1 is layering schematic diagram of the present utility model.
Fig. 2 is structural representation of the present utility model.
Fig. 3 is the A place enlarged drawing of Fig. 2 of the present utility model.
Referring to Fig. 1 and Fig. 2,1 is imposite flexible circuit board；2 is hot-setting adhesive；3 is imposite aluminum reinforcement；4 is flexible circuit board body；5 is the husband of sister；6 is frame.
Detailed description of the invention
In conjunction with accompanying drawing, this utility model is described further.
Referring to Fig. 1-3, this utility model is a kind of imposite aluminum reinforcing flexible wiring board, including imposite flexible circuit board, hot-setting adhesive and imposite aluminum reinforcement.Imposite flexible circuit board 1 is made up of several flexible circuit board bodies 4 and frame 6, and several flexible circuit board bodies 4 are positioned at frame 6, adopts the husband of sister 5 to be connected between flexible circuit board body 4 with frame 6, and the husband of sister 5 is arranged in imposite aluminum reinforcement 3.Hot-setting adhesive 2 is adopted to bond between bottom and the imposite aluminum reinforcement 3 of imposite flexible circuit board 1.
The preparation technology of a kind of imposite aluminum reinforcing flexible wiring board, specifically prepares as follows: step 1, the protecting film of imposite flexible circuit board is carried out alligatoring；Step 2, pastes hot-setting adhesive bottom imposite flexible circuit board, forms imposite flexible circuit board patch hot-setting adhesive；Step 3, carries out alligatoring and forms imposite aluminum reinforcement imposite aluminium flake, imposite flexible circuit board is pasted hot-setting adhesive and imposite aluminum reinforcement combination, forms molectron；Step 4, puts into molectron temperature and is 160-200 DEG C, and pressure is the pressing machine of 15-35 kg/cm, carries out the pressing of 90-120 minute, and hot-setting adhesive melts, and imposite flexible circuit board bonds with imposite aluminum reinforcement；Step 5, puts into the baking machine that temperature is 160-180 DEG C by molectron, carries out the solidification baking of 90-120 minute, and hot-setting adhesive solidifies；Step 6, molectron is carried out surface treatment by employingization gold or oxidation-resistant film.
The protecting film of imposite flexible circuit board is carried out alligatoring and specifically comprises the following steps that step a1; linear speed is adopted to be 1-3 m/min; sand concentration is 10-30%; protecting film surface is carried out sandblasting by the sandblasting line that spray pressure is 20-35PSI; use physics mode to change the structure on protecting film surface, strengthen the follow-up alligatoring medicinal liquid treatment effect to protecting film；Step a2, imposite flexible circuit board is put into the alligatoring medicinal liquid that temperature is 40-55 DEG C, carry out the immersion of 2-5 minute, adopt strong oxidizer and highly basic alligatoring protecting film surface, protecting film surface is made to form cellular coarse point, wherein, alligatoring medicinal liquid is by the potassium permanganate of 40-70g/L, the sodium hydroxide of 40-70g/L, the potassium hydroxide of 5-10g/L mixes, the alligatoring medicinal liquid using this formula carries out alligatoring protecting film surface, protecting film surface roughness can be made to strengthen and exist cellular, the adhesion of hot-setting adhesive and adagio can be strengthened, and existing conventional alligatoring medicinal liquid is unable to reach protecting film rough surface, and it is poor with hot-setting adhesive adhesion.Step a3, puts into tap water or the pure water of room temperature by imposite flexible circuit board, carries out the recovery washing of 1-2 minute, cleans the coarsening solution of residual on imposite flexible circuit board plate face, it is to avoid pollution of reporting to the leadship after accomplishing a task；Step a4, imposite flexible circuit board is put into the neutralizer of room temperature, carry out the immersion of 3 seconds-2 minutes, to neutralize coarsening solution, avoid the liquor residue of coarsening solution and alligatoring adagio region copper face further, wherein, neutralizer includes the hydrogen peroxide of 10-30g/L and the sulphuric acid of 10-30g/L, and sulfuric acid concentration is 98%；Step a5, puts into tap water or the pure water of room temperature by imposite flexible circuit board, performs twice at the overflow washing of 1-2 minute, cleans the neutralizer of imposite flexible circuit board plate face residual；Step a6, adopts linear speed to be 2-5 m/min, and imposite flexible circuit board is dried by the dehydrator that temperature is 70-90 DEG C, dries imposite flexible circuit board plate face, it is to avoid the combined effect that moisture entrapment impact is follow-up.
Imposite aluminium flake alligatoring is specifically comprised the following steps that step b1, imposite aluminium flake is punched out or drags for type, with the graphics request of satisfied different drawings；Step b2, adopting material is the brush roll that cloth is weaved cotton cloth, imposite aluminum flake surface is carried out brushing, brush mark is 10-20 millimeter, linear speed is 10-20 rev/min, to remove the passivating film of imposite aluminum flake surface, by die-cut or after dragging for type, chip and the burr removing of product residue fall, and strengthen the follow-up sodium hydroxide roughening treatment effect to imposite aluminium flake；Step b3, adopts the sodium hydroxide of 40-50g/L, is 1.5-2.5 rev/min at linear speed, and pressure is 20-40PSI, and temperature is the aluminium sheet alligatoring line of 47-53 DEG C, and imposite aluminium flake carries out alligatoring, adopts highly basic alligatoring imposite aluminum flake surface, and imposite aluminum flake surface is cellular；Step b4, puts into tap water or the pure water of room temperature by imposite aluminium flake, the overflow washing that to adopt linear speed be 10-20 rev/min, jet pressures is 10-25psi, cleans the sodium hydroxide of residual on imposite aluminium flake, it is to avoid pollution of reporting to the leadship after accomplishing a task；Step b5, imposite aluminium flake is put into the neutralizer of room temperature, the neutralization that to use linear speed be 10-20 rev/min, jet pressures is 10-25psi is washed, to neutralize sodium hydroxide, avoid the residual of sodium hydroxide further, and carry out imposite aluminum flake surface modifying attack, wherein, neutralizer is by the sulphuric acid of the neutralizer sodium peroxydisulfate by 20-35g/L and 20-50g/L, and sulfuric acid concentration is 98%；Step b6, puts into the pure water of room temperature by imposite aluminium flake, carries out three times and cleans, the overflow washing that to adopt linear speed be 10-20 rev/min, jet pressures is 10-25psi, cleans the neutralizer of imposite aluminium flake residual；Step b7, adopts linear speed to be 10-20 rev/min, and temperature is 70-90 DEG C, and imposite aluminium flake is dried by the dehydrator that high wind pressure is 10-25psi, it is to avoid the combined effect that moisture entrapment impact is follow-up.
This utility model devises imposite aluminum reinforcing flexible circuit board structure, after surface encapsulation, assembling use before only need to cut off the husband of sister 5, flexible circuit board body 4 can be taken off, it is ensured that product size stability, product size precision concordance；In addition; optimize the preparation technology of imposite aluminum reinforcing flexible wiring board; after the protecting film surface of imposite flexible circuit board being carried out roughening treatment, imposite aluminum flake surface being carried out roughening treatment; by hot-setting adhesive pressing mode, both are fixed; product after pressing is smooth; and temperature tolerance is strong; melt down in pyroprocess in surface encapsulation; between imposite flexible circuit board and imposite aluminum reinforcement, adhesion is good, peel strength is high; will not arch upward or the bad phenomenon of delamination, thoroughly solve surface encapsulation add man-hour components and parts rosin joint, set up a monument, offset, the bad problem such as short circuit.Greatly reduce the rework rate after surface encapsulation, improving product quality simultaneously, improve production efficiency.
Claims (3)
1. an imposite aluminum reinforcing flexible wiring board, including imposite flexible circuit board, hot-setting adhesive and imposite aluminum reinforcement, it is characterized in that: imposite flexible circuit board (1) is made up of several flexible circuit board bodies (4) and frame (6), several flexible circuit board bodies (4) are positioned at frame (6), adopt hot-setting adhesive (2) bonding between bottom and imposite aluminum reinforcement (3) of imposite flexible circuit board (1).
2. a kind of imposite aluminum reinforcing flexible wiring board according to claim 1, it is characterised in that: adopt the husband of sister (5) to be connected between described flexible circuit board body (4) and frame (6).
3. a kind of imposite aluminum reinforcing flexible wiring board according to claim 2, it is characterised in that: the described husband of sister (5) is arranged in imposite aluminum reinforcement (3).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620094237.5U CN205378344U (en) | 2016-01-29 | 2016-01-29 | Whole board aluminium reinforcement flexible line way board |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620094237.5U CN205378344U (en) | 2016-01-29 | 2016-01-29 | Whole board aluminium reinforcement flexible line way board |
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| Publication Number | Publication Date |
|---|---|
| CN205378344U true CN205378344U (en) | 2016-07-06 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201620094237.5U Active CN205378344U (en) | 2016-01-29 | 2016-01-29 | Whole board aluminium reinforcement flexible line way board |
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| CN (1) | CN205378344U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105578729A (en) * | 2016-01-29 | 2016-05-11 | 上海温良昌平电器科技股份有限公司 | One-piece aluminum reinforcing flexible circuit board and technology |
| CN108419357A (en) * | 2018-02-02 | 2018-08-17 | 瑞声科技(新加坡)有限公司 | The production method and flexible PCB of flexible PCB |
-
2016
- 2016-01-29 CN CN201620094237.5U patent/CN205378344U/en active Active
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105578729A (en) * | 2016-01-29 | 2016-05-11 | 上海温良昌平电器科技股份有限公司 | One-piece aluminum reinforcing flexible circuit board and technology |
| CN105578729B (en) * | 2016-01-29 | 2018-04-06 | 上海温良昌平电器科技股份有限公司 | A kind of whole plate aluminium reinforcing flexible wiring board and technique |
| CN108419357A (en) * | 2018-02-02 | 2018-08-17 | 瑞声科技(新加坡)有限公司 | The production method and flexible PCB of flexible PCB |
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