CN108012469A - A kind of production method and inner figure data of multilayer circuit inner cord production plate - Google Patents

A kind of production method and inner figure data of multilayer circuit inner cord production plate Download PDF

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Publication number
CN108012469A
CN108012469A CN201711421727.7A CN201711421727A CN108012469A CN 108012469 A CN108012469 A CN 108012469A CN 201711421727 A CN201711421727 A CN 201711421727A CN 108012469 A CN108012469 A CN 108012469A
Authority
CN
China
Prior art keywords
production
production board
board unit
plate
internal layer
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.)
Pending
Application number
CN201711421727.7A
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Chinese (zh)
Inventor
李晖东
孙淼
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Dalian Chongda Circuit Co Ltd
Original Assignee
Dalian Chongda Circuit Co Ltd
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Dalian Chongda Circuit Co Ltd filed Critical Dalian Chongda Circuit Co Ltd
Priority to CN201711421727.7A priority Critical patent/CN108012469A/en
Publication of CN108012469A publication Critical patent/CN108012469A/en
Pending legal-status Critical Current

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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
    • H05K3/4611Manufacturing multilayer circuits by laminating two or more circuit boards
    • H05K3/4641Manufacturing multilayer circuits by laminating two or more circuit boards having integrally laminated metal sheets or special power cores
    • HELECTRICITY
    • H05ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
    • H05KPRINTED CIRCUITS; CASINGS OR CONSTRUCTIONAL DETAILS OF ELECTRIC APPARATUS; MANUFACTURE OF ASSEMBLAGES OF ELECTRICAL COMPONENTS
    • H05K1/00Printed circuits
    • H05K1/02Details
    • H05K1/0296Conductive pattern lay-out details not covered by sub groups H05K1/02 - H05K1/0295
    • H05K1/0298Multilayer circuits

Abstract

The invention discloses the production method and inner figure data of a kind of multilayer circuit inner cord production plate,Inner figure data includes multiple production board unit figures,Include production board inner line figure in each production board unit figure,It is characterized in that,Region between adjacent production board unit figure,Or the region between adjacent production board unit figure and the region without production board inner line figure in production board unit figure are provided with the circular pattern of one or more equidistant arrangements,The circular pattern and the production board inner line figure correspond to internal layer production plate Shang Youtong areas,A diameter of 1.25mm of the circular pattern,Distance of center circle between adjacent circular figure is 1.5mm,The circular pattern and the production board unit figure are more than or equal to 1.5mm with the distance of the production board inner line figure.The present invention can effectively solve copper sheet ridging defect, plate sticks up defect and avoid the layering caused by resin unsmooth flowing or thickness of slab inequality defect.

Description

A kind of production method and inner figure data of multilayer circuit inner cord production plate
Technical field
The present invention relates to printed circuit board production field, more particularly, to a kind of multilayer circuit inner cord production plate Production method and inner figure data.
Background technology
The production process of multilayer circuit board is usually:Sawing sheet → inner figure → internal layer AOI → pressing → drilling → heavy copper, Plate electricity → outer graphics → graphic plating → alkali etching → outer layer AOI → welding resistance → character → surface treatment → shaping → silk-screen Carbon oil → test → FQC → FQA → packaging, wherein, sawing sheet technique is that the substrate aniseed of purchase is divided into several production plates, Usually optimal sawing sheet size is 41 " * 49 ", afterwards, carry out the typesetting design on production plate, the finished product mainly provided with client Plate is combined, and the production board of multiple and different functions, line construction and shape is combined, to reach production plate most Big utilization rate.Inner figure technique first makes the inner figure data of internal layer production plate first, is provided inner figure by mask The pattern transfer of material is produced on plate to internal layer.Referring to Fig. 1, include multiple production boards in the inner figure data 1 of the prior art Unit figure 12 (contour pattern of i.e. each production board), each production board unit figure 12 is interior to include production board internal layer circuit figure Shape 13 (corresponding production board inner plating Shang Youtong areas).Plate is produced using internal layer made of above-mentioned inner figure data, in internal layer Prepreg and outer copper foil are added on production plate, prepreg is made by heat cure by the method for high temperature and pressure, so that by one Block or polylith core material are bonded into one block of multi-layer board with copper foil.Since internal layer produces the line pattern skewness on plate, with And the gap between each production board, cause You Tong areas and without copper area skewness, cause process for pressing Zhong Wutong areas and You Tong areas Pressure is uneven, produces the defects of copper sheet wrinkles.The solution of the prior art is, as shown in Figure 1:To ignore finished product Slab element figure The You Tong areas 11 of increase closing form are taken in 12 Zhong Wutong areas of shape, the gap between each production board unit figure, this method Shortcoming is:(1) when not taking any measure in 12 Zhong Wutong areas of production board unit figure, however it remains pressure is uneven and produces The defects of copper sheet wrinkles, or exist since the inner figure You Tong areas of both sides have big difference and produce the defects of plate is stuck up;(2) exist When the You Tong areas 11 of increase closing form are taken in gap between each production board unit figure, the You Tong areas 11 of closing form are pressing During the flowing of resin can be made to have some setbacks, hinder resin filling dead zone so that cause layering or thickness of slab it is uneven the defects of.
The content of the invention
It is an object of the present invention to solve because the copper sheet that pressure is uneven or both sides You Tong areas having big difference and producing rises Wrinkle and plate stick up defect.
The second object of the present invention is to solve layering or the thickness of slab inequality defect caused by the You Tong areas of closing form.
To achieve the above object, technical scheme is as follows:
A kind of multilayer circuit board manufacture craft makes the inner figure data of internal layer production plate, including multiple finished product Slab elements Figure, each production board unit figure is interior to include production board inner line figure, it is characterised in that in adjacent finished product Slab element Region between figure, or region between adjacent production board unit figure and in production board unit figure without into The region of product inner cord line pattern is provided with the circular pattern of one or more equidistant arrangements, the circular pattern and it is described into Product inner cord line pattern corresponds to internal layer production plate Shang Youtong areas, a diameter of 1.25mm of the circular pattern, adjacent circular Distance of center circle between figure is 1.5mm, the circular pattern with the production board unit figure or with the production board internal layer circuit The distance of figure is more than or equal to 1.5mm.
A kind of production method of multilayer circuit inner cord production plate, it is characterised in that using the internal layer described in claim 1 Inner figure is transferred on internal layer production plate by graphic documentation, in production board unit figure, production board inner line figure and circle The corresponding region of shape figure forms internal layer production plate Shang Youtong areas.
From above-mentioned technical proposal it can be seen that:By internal layer produce plate except rationally dosing in conductive pattern Wai Wutong areas Circular copper sheet array, can improve because copper sheet corrugation that circuit skewness or both sides You Tong areas having big difference and producing and plate are stuck up Defect, and replaces whole copper sheet for closing with circular copper sheet array, the filling that can make resin evenly, can improve internal layer The planarization of plate pressing is produced, improves the performance of multilayer circuit board.
Brief description of the drawings
Fig. 1 is the structure diagram of inner figure data of the prior art;
Fig. 2 is the structure diagram of the inner figure data in a specific embodiment of the invention.
Embodiment
Below in conjunction with the accompanying drawings, the embodiment of the present invention is described in further detail.
It should be noted that in following embodiments, when embodiments of the present invention are described in detail, in order to clear Ground represents the structure of the present invention in order to illustrate, special not draw to the structure in attached drawing according to general proportion, and has carried out part Amplification, deformation and simplified processing, therefore, should avoid in this, as limitation of the invention to understand.
In embodiment of the invention below, referring to Fig. 2, Fig. 2 is the knot of the inner figure data of the present invention Structure schematic diagram.As shown in the figure, a kind of inner figure data 2 of multilayer circuit inner cord production plate, including multiple finished product Slab elements Figure 22, each production board unit figure 22 is interior to include production board inner line figure 23, in adjacent production board unit figure Region 21 between 22, or region 21 between adjacent production board unit figure 22 and in production board unit figure The region of no production board inner line figure is provided with the circular pattern 24 of one or more equidistant arrangements, circular pattern 24 and into Product inner cord line pattern 23 corresponds to internal layer production plate Shang Youtong areas, a diameter of 1.25mm of circular pattern 24, adjacent circular Distance of center circle between figure 24 is 1.5mm, the distance 26 of circular pattern 24 and production board unit figure 22 or circular pattern 24 with into The distance 25 of product inner cord line pattern 23 is more than or equal to 1.5mm.
Using the circuit on above-mentioned inner figure data make internal layer production plate, in the present embodiment, internal layer production plate is Inner figure, is transferred on internal layer production plate, inner figure data (film) is placed on exposure machine by copper-clad plate using negative film, Inner figure, is transferred on internal layer production plate, passed through by the internal layer production plate of positioning alignment coating mask by exposed and developed Etching removes other local copper foils, and after moving back film, production board unit figure, production board inner line figure and circular pattern correspond to The copper foil in region be retained, form internal layer production plate Shang Youtong areas.The corresponding You Tong areas of production board inner line figure are Conducting wire, has electric property, and act as improving circuit without electric property in the You Tong areas in the corresponding region of circular pattern Skewness.Can also use positive transfer inner figure, the technique such as others cleaning, etching, AOI and surface treatment with it is existing Technology is identical, and this will not be repeated here.
The present invention is not on the premise of customer service circuit design is influenced, by increasing the array of circular pattern in no copper region, Copper sheet ridging defect can effectively be solved, plate sticks up defect and avoids layering caused by resin unsmooth flowing or thickness of slab is uneven lacks Fall into.
The foregoing is only a preferred embodiment of the present invention, but protection scope of the present invention be not limited thereto, Any one skilled in the art the invention discloses technical scope in, technique according to the invention scheme and its Inventive concept is subject to equivalent substitution or change, should be covered by the protection scope of the present invention.

Claims (2)

1. a kind of inner figure data of multilayer circuit inner cord production plate, including multiple production board unit figures, each finished product Include production board inner line figure in Slab element figure, it is characterised in that the area between adjacent production board unit figure Domain, or region between adjacent production board unit figure and in production board unit figure without production board internal layer circuit The region of figure is provided with the circular pattern of one or more equidistant arrangements, the circular pattern and the production board internal layer circuit Figure corresponds to internal layer production plate Shang Youtong areas, a diameter of 1.25mm of the circular pattern, the center of circle between adjacent circular figure Away from for 1.5mm, the circular pattern it is big with the production board unit figure or with the distance of the production board inner line figure In equal to 1.5mm.
2. a kind of production method of multilayer circuit inner cord production plate, it is characterised in that using the internal layer figure described in claim 1 Inner figure is transferred on internal layer production plate by shape data, in production board unit figure, production board inner line figure and circle The corresponding region of figure forms internal layer production plate Shang Youtong areas.
CN201711421727.7A 2017-12-25 2017-12-25 A kind of production method and inner figure data of multilayer circuit inner cord production plate Pending CN108012469A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201711421727.7A CN108012469A (en) 2017-12-25 2017-12-25 A kind of production method and inner figure data of multilayer circuit inner cord production plate

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201711421727.7A CN108012469A (en) 2017-12-25 2017-12-25 A kind of production method and inner figure data of multilayer circuit inner cord production plate

Publications (1)

Publication Number Publication Date
CN108012469A true CN108012469A (en) 2018-05-08

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Family Applications (1)

Application Number Title Priority Date Filing Date
CN201711421727.7A Pending CN108012469A (en) 2017-12-25 2017-12-25 A kind of production method and inner figure data of multilayer circuit inner cord production plate

Country Status (1)

Country Link
CN (1) CN108012469A (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN113543461A (en) * 2021-06-23 2021-10-22 惠科股份有限公司 Printed circuit board and display device

Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN101547555A (en) * 2009-05-05 2009-09-30 福建星网锐捷网络有限公司 Printed circuit board
CN203086841U (en) * 2013-01-14 2013-07-24 广东生益科技股份有限公司 A board edge structure of a thick-copper multilayer printed circuit board and a printed circuit board containing the board edge structure
CN104735906A (en) * 2013-12-24 2015-06-24 张逸 Golden finger circuit board
CN106163138A (en) * 2016-08-26 2016-11-23 广州兴森快捷电路科技有限公司 A kind of manufacture method of gold finger plate
CN206332913U (en) * 2016-12-30 2017-07-14 上海嘉捷通信息科技有限公司 A kind of printed circuit board internal layer edge structure
CN207678102U (en) * 2017-12-25 2018-07-31 大连崇达电路有限公司 A kind of inner figure data of multilayer circuit inner cord production plate

Patent Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN101547555A (en) * 2009-05-05 2009-09-30 福建星网锐捷网络有限公司 Printed circuit board
CN203086841U (en) * 2013-01-14 2013-07-24 广东生益科技股份有限公司 A board edge structure of a thick-copper multilayer printed circuit board and a printed circuit board containing the board edge structure
CN104735906A (en) * 2013-12-24 2015-06-24 张逸 Golden finger circuit board
CN106163138A (en) * 2016-08-26 2016-11-23 广州兴森快捷电路科技有限公司 A kind of manufacture method of gold finger plate
CN206332913U (en) * 2016-12-30 2017-07-14 上海嘉捷通信息科技有限公司 A kind of printed circuit board internal layer edge structure
CN207678102U (en) * 2017-12-25 2018-07-31 大连崇达电路有限公司 A kind of inner figure data of multilayer circuit inner cord production plate

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN113543461A (en) * 2021-06-23 2021-10-22 惠科股份有限公司 Printed circuit board and display device

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Application publication date: 20180508

RJ01 Rejection of invention patent application after publication