CN105246273A - Manufacture technology of flex-rigid joint board having super-strong resilience - Google Patents

Manufacture technology of flex-rigid joint board having super-strong resilience Download PDF

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Publication number
CN105246273A
CN105246273A CN201510701398.6A CN201510701398A CN105246273A CN 105246273 A CN105246273 A CN 105246273A CN 201510701398 A CN201510701398 A CN 201510701398A CN 105246273 A CN105246273 A CN 105246273A
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China
Prior art keywords
time
rigid
plate
lamination
heating
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Granted
Application number
CN201510701398.6A
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Chinese (zh)
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CN105246273B (en
Inventor
李胜伦
钱小进
黎军
郑冬华
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Jiangxi Hongxin Flexible Electronic Technology Co.,Ltd.
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Jiangsu Hongxin Huayin Circuit Technology Co Ltd
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Priority to CN201510701398.6A priority Critical patent/CN105246273B/en
Publication of CN105246273A publication Critical patent/CN105246273A/en
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Classifications

    • HELECTRICITY
    • H05ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
    • H05KPRINTED CIRCUITS; CASINGS OR CONSTRUCTIONAL DETAILS OF ELECTRIC APPARATUS; MANUFACTURE OF ASSEMBLAGES OF ELECTRICAL COMPONENTS
    • H05K3/00Apparatus or processes for manufacturing printed circuits
    • H05K3/46Manufacturing multilayer circuits
    • H05K3/4688Composite multilayer circuits, i.e. comprising insulating layers having different properties
    • H05K3/4691Rigid-flexible multilayer circuits comprising rigid and flexible layers, e.g. having in the bending regions only flexible layers
    • HELECTRICITY
    • H05ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
    • H05KPRINTED CIRCUITS; CASINGS OR CONSTRUCTIONAL DETAILS OF ELECTRIC APPARATUS; MANUFACTURE OF ASSEMBLAGES OF ELECTRICAL COMPONENTS
    • H05K2203/00Indexing scheme relating to apparatus or processes for manufacturing printed circuits covered by H05K3/00
    • H05K2203/06Lamination
    • H05K2203/068Features of the lamination press or of the lamination process, e.g. using special separator sheets

Abstract

The invention discloses a manufacture technology of a flex-rigid joint board having super-strong resilience, comprising steps of first time lamination, X-RAY target shooting, plate edge milling, outer layer hole drilling, burring, glue refuse removal, copper deposition, whole plate copper plating, prior processing of an outer layer circuit, outer layer lamination, outer layer circuit exposure, outer circuit etching-EES, gold melting, flying probe test, second time lamination, plate milling, finished good test-FQC, and packaging. The manufacture technology disclosed by the invention performs first lamination on the inner layer soft plate to manufacture a rigid-flex board, then performs second lamination on the rigid-flex to manufacture a rigid-flex board, and forms a gap between the outer layer polyimide film and the middle flexible circuit board, which improves the resilience of the flex-rigid board.

Description

A kind of manufacture craft with the rigid-flexible fish plate of superpower restoration
Technical field
The present invention relates to circuit board manufacture field, particularly a kind of manufacture craft with the rigid-flexible fish plate of superpower restoration.
Background technology
Rigid-flex combined board is not a kind of ordinary circuit board, as the term suggests, be combining of soft board and hardboard, be that filmated flexible bottom and rigid bottom are combined, then be laminated in a single component, the circuit board of formation.Rigid-flex combined board has rigid layer and flexible layers concurrently, is a kind of multilayer board.Typically (four layers) are rigid-flexible has a polyimides core in conjunction with printed circuit board (PCB), and its upper and lower surface has and covers Copper Foil.External rigidity layer is made up of the FR4 of one side, and they are laminated into the two sides of flexible core, is assembled into the PCB of multilayer.Rigid-flexible fish plate along with use the more and more extensive performance requirement to it also more and more higher, especially for its recovery performance, but the recovery performance of existing rigid-flexible fish plate is general not high, so design a kind of manufacture craft with the rigid-flexible fish plate of superpower restoration just seem particularly important.
Summary of the invention
Technical purpose of the present invention adopts first to carry out first time lamination to internal layer soft board and make Rigid Flex, then rigid-flexible fish plate is made carrying out second time lamination to Rigid Flex, between outer field polyimide film and center flexing wiring board, form space, thus play the effect improving rigid-flexible fish plate restoration performance; A kind of manufacture craft with the rigid-flexible fish plate of superpower restoration is provided.
For solving above-mentioned technical problem, of the present inventionly provide a kind of manufacture craft with the rigid-flexible fish plate of superpower restoration, it comprises the steps: step 1: lamination for the first time, step 2:X-RAY practices shooting, step 3: milling edges of boards, step 4: outer boring, step 5: deburring, step 6: de-smear, step 7: heavy copper, step 8: whole plate electrolytic copper, step 9: outer-layer circuit pre-treatment, step 10: outer laminated film, step 11: outer-layer circuit exposes, step 12: outer-layer circuit etching-EES, step 13: change gold, step 14: flying probe, step 15: second time lamination, step 16: milling plate, step 17: product inspection-FQC, step 18: packaging.
Further: described step step 1: lamination is for the first time is the H/0FR4 copper-clad plate of 0.4mm by two block lengths, two pieces of thickness are that first prepreg of 0.08mm and the mode of internal layer soft board employing pressing form Rigid Flex, the both sides of described internal layer soft board are respectively connected with one piece of first prepreg and one piece of H/0FR4 copper-clad plate in turn, and the copper face of described H/0FR4 copper-clad plate toward the outer side.
Further again: described step step 15: second time lamination is that second prepreg of 0.08mm and Rigid Flex adopt the mode of pressing to form rigid-flexible fish plate by two pieces of balance plates (0.4mmFR4 faces down), two pieces of thickness, and the both sides of described Rigid Flex are respectively connected with one piece of second prepreg and one block of balance plate in turn.
Further again: the Making programme of described balance plate is as follows, step 1: sawing sheet (making the FR4 tabula rasa after 0.3mm), step 2: first time lamination (AD epoxy glue layer thick for 40mm is attached in the one side of FR4 tabula rasa), step 3: boring, step 4: first time milling plate, step 5: the second time lamination (material after the upper and lower surface of the thick PI polyimide layer of 0.175mm respectively pastes a first time lamination, the upper and lower surface of described PI polyimide layer is connected with AD epoxy glue layer respectively), step 6: pressing, step 7: second time milling plate.
Further again: the method step of described pressing is a successively: first to adopt the power of 1KG to carry out first time to it and press, it is 4min that first time presses the time, in the process that first time presses, first time heating is carried out to it, the temperature that first time heats controls at 30 DEG C, the duration of heat is 3min, b: then adopt the power of 4KG to carry out second time to it and press, it is 9min that second time presses the time, in the process that second time is pressed, second time heating is carried out to it, the temperature of second time heating controls at 130 DEG C, the duration of heat is 8min, c: then adopt the power of 4KG to carry out third time to it and press, it is 59min that third time presses the time, in the process that third time presses, third time heating is carried out to it, the temperature that third time heats controls at 130 DEG C, the duration of heat is 18min, d: then adopt the power of 4KG to carry out the 4th time to it and press, pressing the time for 4th time is 89min, in the process of pressing for the 4th time, the 4th heating is carried out to it, the temperature of the 4th heating controls at 185 DEG C, the duration of heat is 5min, e: then adopt the power of 4KG to carry out the 5th time to it and press, it is 89min that third time presses the time, in the process of pressing for the 5th time, the 5th heating is carried out to it, the temperature of the 5th heating controls at 185 DEG C, the duration of heat is 60min, f: then the 6th heating is carried out to it, the temperature of the 6th heating controls 185 DEG C, the duration of heat is 62min, g: finally the 7th heating is carried out to it, the temperature of the 7th heating controls 20 DEG C, the duration of heat is 55min.
Further again: described step step 4: to need to adopt a kind of puncher in outer boring, the structure of described puncher comprises base, workbench, lower platen, top board, upper bracket, hydraulic cylinder, hoistable platform, perforating mold bar and the punching syringe needle be arranged on bottom perforating mold bar, described upper bracket is fixedly connected on base, described workbench is arranged on base, described lower platen is arranged on workbench, described top board is positioned at the top of lower platen, described top board is connected with elevating mechanism, described hoistable platform is connected to the bottom of upper bracket by hydraulic cylinder, described perforating mold bar is connected to the bottom of hoistable platform by translation mechanism, described top board offers through hole relative to the position of punching syringe needle, described lower platen offers jack relative to the position of punching syringe needle.
Further again: described lower platen is provided with reference column, the bottom of described top board offers location hole relative to the position of reference column.
Further again: described elevating mechanism comprises two and is vertically arranged on the first track on base and two lift carts, and the two ends of described top board are movably connected on the first track respectively by lift cart.
Further again: described translation mechanism comprises two and is horizontally set on the second track bottom hoistable platform and translating trolleys, and described perforating mold bar is movably connected on the second track by translating trolleys.
After adopting said structure, the present invention first carries out first time lamination to internal layer soft board make Rigid Flex by adopting, then rigid-flexible fish plate is made carrying out second time lamination to Rigid Flex, between outer field polyimide film and center flexing wiring board, form space, thus play the effect improving rigid-flexible fish plate restoration performance; And can be clamped rigid-flex combined board by top board and lower platen, then utilize perforating mold bar to complete the drilling operation to rigid-flex combined board with punching syringe needle, improve its punching operating efficiency.
Accompanying drawing explanation
Below in conjunction with the drawings and specific embodiments, the present invention is further detailed explanation.
Fig. 1 is the structural representation of Rigid Flex.
Fig. 2 is the structural representation of puncher.
Embodiment
The invention provides a kind of manufacture craft with the rigid-flexible fish plate of superpower restoration, comprise the steps: step 1: lamination for the first time, step 2:X-RAY practices shooting, step 3: milling edges of boards, step 4: outer boring, step 5: deburring, step 6: de-smear, step 7: heavy copper, step 8: whole plate electrolytic copper, step 9: outer-layer circuit pre-treatment, step 10: outer laminated film, step 11: outer-layer circuit exposes, step 12: outer-layer circuit etching-EES, step 13: change gold, step 14: flying probe, step 15: second time lamination, step 16: milling plate, step 17: product inspection-FQC, step 18: packaging.
Step 1 as shown in Figure 1: the first prepreg 17 and the internal layer soft board 16 of the first time lamination 0.08mm that is that to be H/0FR4 copper-clad plate 18, two pieces of thickness of 0.4mm by two block lengths be adopt the mode of pressing to form Rigid Flex, the both sides of described internal layer soft board 16 are respectively connected with one piece of first prepreg 17 and one piece of H/0FR4 copper-clad plate 18 in turn, and the copper face of described H/0FR4 copper-clad plate 18 toward the outer side.
Above-mentioned step 15: second time lamination is that second prepreg of 0.08mm and Rigid Flex adopt the mode of pressing to form rigid-flexible fish plate by two pieces of balance plates (0.4mmFR4 faces down), two pieces of thickness, and the both sides of described Rigid Flex are respectively connected with one piece of second prepreg and one block of balance plate in turn.
The Making programme of above-mentioned balance plate is as follows: step 1: sawing sheet (making the FR4 tabula rasa after 0.3mm), step 2: first time lamination (AD epoxy glue layer thick for 40mm is attached in the one side of FR4 tabula rasa), step 3: boring, step 4: first time milling plate, step 5: the second time lamination (material after the upper and lower surface of the thick PI polyimide layer of 0.175mm respectively pastes a first time lamination, the upper and lower surface of described PI polyimide layer is connected with AD epoxy glue layer respectively), step 6: pressing, step 7: second time milling plate.
The method step of the pressing adopted in above-mentioned steps 1 and step 15 is a successively: first adopt the power of 1KG to carry out first time to it and press, it is 4min that first time presses the time, in the process that first time presses, first time heating is carried out to it, the temperature that first time heats controls at 30 DEG C, the duration of heat is 3min, b: then adopt the power of 4KG to carry out second time to it and press, it is 9min that second time presses the time, in the process that second time is pressed, second time heating is carried out to it, the temperature of second time heating controls at 130 DEG C, the duration of heat is 8min, c: then adopt the power of 4KG to carry out third time to it and press, it is 59min that third time presses the time, in the process that third time presses, third time heating is carried out to it, the temperature that third time heats controls at 130 DEG C, the duration of heat is 18min, d: then adopt the power of 4KG to carry out the 4th time to it and press, pressing the time for 4th time is 89min, in the process of pressing for the 4th time, the 4th heating is carried out to it, the temperature of the 4th heating controls at 185 DEG C, the duration of heat is 5min, e: then adopt the power of 4KG to carry out the 5th time to it and press, it is 89min that third time presses the time, in the process of pressing for the 5th time, the 5th heating is carried out to it, the temperature of the 5th heating controls at 185 DEG C, the duration of heat is 60min, f: then the 6th heating is carried out to it, the temperature of the 6th heating controls 185 DEG C, the duration of heat is 62min, g: finally the 7th heating is carried out to it, the temperature of the 7th heating controls 20 DEG C, the duration of heat is 55min.
Said method adopts and first carries out first time lamination to internal layer soft board and make Rigid Flex, then rigid-flexible fish plate is made carrying out second time lamination to Rigid Flex, between outer field polyimide film and center flexing wiring board, form space, thus play the effect improving rigid-flexible fish plate restoration performance.
Above-mentioned step 4: need to adopt a kind of puncher in outer boring, described puncher as shown in Figure 2, it comprises base 1, workbench 6, lower platen 7, top board 9, upper bracket 2, hydraulic cylinder 10, hoistable platform 11, perforating mold bar 14 and the punching syringe needle 15 be arranged on bottom perforating mold bar 14, described upper bracket 2 is fixedly connected on base 1, described workbench 6 is arranged on base 1, described lower platen 7 is arranged on workbench 6, described top board 9 is positioned at the top of lower platen 7, described top board 9 is connected with elevating mechanism, described hoistable platform 11 is connected to the bottom of upper bracket 2 by hydraulic cylinder 10, described perforating mold bar 14 is connected to the bottom of hoistable platform 11 by translation mechanism, described top board 9 offers through hole relative to the position of punching syringe needle 15, described lower platen 7 offers jack relative to the position of punching syringe needle 15, described lower platen 7 is provided with reference column 8, the bottom of described top board 9 offers location hole relative to the position of reference column 8.During work, be placed on lower platen 7 need the rigid-flexible fish plate of punching, then starting elevating mechanism makes it move downward with top board 9, lower platen 7 and top board 9 is utilized to complete clamping work to rigid-flexible fish plate, then primer fluid cylinder pressure 10 makes it be moved downward with perforating mold bar 14 and punching syringe needle 15 by hoistable platform 11, punching syringe needle 15 is utilized to punch to rigid-flexible fish plate, often having beaten a secondary aperture startup translation mechanism makes it move horizontally with perforating mold bar 14 and punching syringe needle 15, and then one-shot hydraulic cylinder 10 utilizes punching syringe needle 15 to proceed punching, back and forth complete the drilling operation to rigid-flexible fish plate successively.The present invention is clamped rigid-flex combined board by top board and lower platen, then utilizes perforating mold bar to complete the drilling operation to rigid-flex combined board with punching syringe needle, improves its operating efficiency.
Elevating mechanism as shown in Figure 2 comprises two and is vertically arranged on the first track 4 on base 1 and two lift carts 5, and the two ends of described top board 9 are movably connected on the first track 4 respectively by lift cart 5.When needs clamp rigid-flexible fish plate, start lift cart 5 and make it move downward along the first track 4 with top board 9, utilize top board 9 and lower platen 7 to complete clamping operation to rigid-flexible fish plate.
Translation mechanism as shown in Figure 2 comprises two and is horizontally set on the second track 12 bottom hoistable platform 11 and translating trolleys 13, and described perforating mold bar 14 is movably connected on the second track 12 by translating trolleys 13.But when needing perforating mold bar 14 and punching syringe needle 15 are moved horizontally, starting translating trolleys 13 makes it move horizontally along the second track 12 with perforating mold bar 14 and punching syringe needle 15, and it has the advantage that structure is simple, be easy to manufacture and practicality and high efficiency.

Claims (9)

1. one kind has the manufacture craft of the rigid-flexible fish plate of superpower restoration, it is characterized in that: comprise the steps: S1: lamination for the first time, S2:X-RAY practices shooting, S3: milling edges of boards, S4: outer boring, S5: deburring, S6: de-smear, S7: heavy copper, S8: whole plate electrolytic copper, S9: outer-layer circuit pre-treatment, S10: outer laminated film, S11: outer-layer circuit exposes, S12: outer-layer circuit etching-EES, S13: change gold, S14: flying probe, S15: second time lamination, S16: milling plate, S17: product inspection-FQC, S18: packaging.
2. a kind of manufacture craft with the rigid-flexible fish plate of superpower restoration according to claim 1, it is characterized in that: described step S1: first time lamination be the H/0FR4 copper-clad plate (18) of 0.4mm by two pieces of thickness, two pieces of thickness are that first prepreg (17) of 0.08mm and the mode of internal layer soft board (16) employing pressing form Rigid Flex, the both sides of described internal layer soft board (16) are respectively connected with one piece of first prepreg (17) and one piece of H/0FR4 copper-clad plate (18) in turn, the copper face of described H/0FR4 copper-clad plate (18) toward the outer side.
3. a kind of manufacture craft with the rigid-flexible fish plate of superpower restoration according to claim 2, it is characterized in that: described step S15: be that the second prepreg and the Rigid Flex of 0.08mm adopts the mode of pressing to form rigid-flexible fish plate by two blocks of balance plates, two pieces of thickness during second time lamination, the both sides of described Rigid Flex are respectively connected with one piece of second prepreg and one block of balance plate in turn.
4. a kind of manufacture craft with the rigid-flexible fish plate of superpower restoration according to claim 3, it is characterized in that: the Making programme of described balance plate is as follows, step 1: sawing sheet (making the FR4 tabula rasa after 0.3mm), step 2: first time lamination (AD epoxy glue layer thick for 40mm is attached in the one side of FR4 tabula rasa), step 3: boring, step 4: first time milling plate, step 5: the second time lamination (material after the upper and lower surface of the thick PI polyimide layer of 0.175mm respectively pastes a first time lamination, the upper and lower surface of described PI polyimide layer is connected with AD epoxy glue layer respectively), step 6: pressing, step 7: second time milling plate.
5. a kind of manufacture craft with the rigid-flexible fish plate of superpower restoration according to any one of claim 2-4, it is characterized in that: the method step of described pressing is a successively: first adopt the power of 1KG to carry out first time to it and press, it is 4min that first time presses the time, in the process that first time presses, first time heating is carried out to it, the temperature that first time heats controls at 30 DEG C, the duration of heat is 3min, b: then adopt the power of 4KG to carry out second time to it and press, it is 9min that second time presses the time, in the process that second time is pressed, second time heating is carried out to it, the temperature of second time heating controls at 130 DEG C, the duration of heat is 8min, c: then adopt the power of 4KG to carry out third time to it and press, it is 59min that third time presses the time, in the process that third time presses, third time heating is carried out to it, the temperature that third time heats controls at 130 DEG C, the duration of heat is 18min, d: then adopt the power of 4KG to carry out the 4th time to it and press, pressing the time for 4th time is 89min, in the process of pressing for the 4th time, the 4th heating is carried out to it, the temperature of the 4th heating controls at 185 DEG C, the duration of heat is 5min, e: then adopt the power of 4KG to carry out the 5th time to it and press, it is 89min that third time presses the time, in the process of pressing for the 5th time, the 5th heating is carried out to it, the temperature of the 5th heating controls at 185 DEG C, the duration of heat is 60min, f: then the 6th heating is carried out to it, the temperature of the 6th heating controls 185 DEG C, the duration of heat is 62min, g: finally the 7th heating is carried out to it, the temperature of the 7th heating controls 20 DEG C, the duration of heat is 55min.
6. a kind of manufacture craft with the rigid-flexible fish plate of superpower restoration according to claim 1, it is characterized in that: described step S4: need to adopt a kind of puncher in outer boring, the structure of described puncher comprises base (1), workbench (6), lower platen (7), top board (9), upper bracket (2), hydraulic cylinder (10), hoistable platform (11), perforating mold bar (14) and the punching syringe needle (15) be arranged on bottom perforating mold bar (14), described upper bracket (2) is fixedly connected on base (1), described workbench (6) is arranged on base (1), described lower platen (7) is arranged on workbench (6), described top board (9) is positioned at the top of lower platen (7), described top board (9) is connected with elevating mechanism, described hoistable platform (11) is connected to the bottom of upper bracket (2) by hydraulic cylinder (10), described perforating mold bar (14) is connected to the bottom of hoistable platform (11) by translation mechanism, described top board (9) offers through hole relative to the position of punching syringe needle (15), described lower platen (7) offers jack relative to the position of punching syringe needle (15).
7. a kind of manufacture craft with the rigid-flexible fish plate of superpower restoration according to claim 6, it is characterized in that: described lower platen (7) is provided with reference column (8), the bottom of described top board (9) offers location hole relative to the position of reference column (8).
8. a kind of manufacture craft with the rigid-flexible fish plate of superpower restoration according to claim 6, it is characterized in that: described elevating mechanism comprises two and is vertically arranged on the first track (4) on base (1) and two lift carts (5), and the two ends of described top board (9) are movably connected on the first track (4) respectively by lift cart (5).
9. a kind of manufacture craft with the rigid-flexible fish plate of superpower restoration according to claim 6, it is characterized in that: described translation mechanism comprises the second track (12) and the translating trolleys (13) that two are horizontally set on hoistable platform (11) bottom, and described perforating mold bar (14) is movably connected on the second track (12) by translating trolleys (13).
CN201510701398.6A 2015-10-26 2015-10-26 A kind of manufacture craft with the rigid-flexible joint plate of restoration Active CN105246273B (en)

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Application Number Priority Date Filing Date Title
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CN105246273B CN105246273B (en) 2018-08-10

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Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH0590756A (en) * 1991-09-28 1993-04-09 Ibiden Co Ltd Production of rigid/flexible board
CN101720174A (en) * 2009-12-09 2010-06-02 厦门弘信电子科技有限公司 Soft-hard printed circuit board combination process
CN203027593U (en) * 2012-12-04 2013-06-26 苏州市新广益电子有限公司 Special reinforcement plate for FPC (flexible printed circuit)

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH0590756A (en) * 1991-09-28 1993-04-09 Ibiden Co Ltd Production of rigid/flexible board
CN101720174A (en) * 2009-12-09 2010-06-02 厦门弘信电子科技有限公司 Soft-hard printed circuit board combination process
CN203027593U (en) * 2012-12-04 2013-06-26 苏州市新广益电子有限公司 Special reinforcement plate for FPC (flexible printed circuit)

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Effective date of registration: 20210526

Address after: 335000 No.2 Zhilian Avenue, high tech Industrial Development Zone, Yingtan City, Jiangxi Province

Patentee after: Jiangxi Hongxin Flexible Electronic Technology Co.,Ltd.

Address before: 212000 no.308-1, Nanxu Avenue, Runzhou District, Zhenjiang City, Jiangsu Province

Patentee before: JIANGSU HONGXIN HUAYIN CIRCUIT TECHNOLOGY Co.,Ltd.