TWI324500B - The way to prevent the broken circuit of the fpc - Google Patents
The way to prevent the broken circuit of the fpc Download PDFInfo
- Publication number
- TWI324500B TWI324500B TW095105435A TW95105435A TWI324500B TW I324500 B TWI324500 B TW I324500B TW 095105435 A TW095105435 A TW 095105435A TW 95105435 A TW95105435 A TW 95105435A TW I324500 B TWI324500 B TW I324500B
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- Prior art keywords
- circuit board
- film
- board
- circuit
- test method
- Prior art date
Links
- 238000000034 method Methods 0.000 claims description 15
- 239000000463 material Substances 0.000 claims description 5
- 238000012360 testing method Methods 0.000 claims description 5
- 238000005516 engineering process Methods 0.000 claims description 2
- -1 polyethylene terephthalate Polymers 0.000 claims description 2
- 238000010998 test method Methods 0.000 claims 7
- 229920000139 polyethylene terephthalate Polymers 0.000 claims 3
- 239000005020 polyethylene terephthalate Substances 0.000 claims 3
- KKEYFWRCBNTPAC-UHFFFAOYSA-L terephthalate(2-) Chemical compound [O-]C(=O)C1=CC=C(C([O-])=O)C=C1 KKEYFWRCBNTPAC-UHFFFAOYSA-L 0.000 claims 1
- 239000000758 substrate Substances 0.000 description 11
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 description 6
- 229910052802 copper Inorganic materials 0.000 description 6
- 239000010949 copper Substances 0.000 description 6
- 239000000853 adhesive Substances 0.000 description 3
- 230000001070 adhesive effect Effects 0.000 description 3
- 230000006378 damage Effects 0.000 description 3
- 230000007547 defect Effects 0.000 description 3
- 238000013461 design Methods 0.000 description 3
- 238000003780 insertion Methods 0.000 description 3
- 230000037431 insertion Effects 0.000 description 3
- 238000007689 inspection Methods 0.000 description 3
- 238000012545 processing Methods 0.000 description 2
- 241001391944 Commicarpus scandens Species 0.000 description 1
- 206010011469 Crying Diseases 0.000 description 1
- 239000004593 Epoxy Substances 0.000 description 1
- 239000004698 Polyethylene Substances 0.000 description 1
- 230000005856 abnormality Effects 0.000 description 1
- NIXOWILDQLNWCW-UHFFFAOYSA-N acrylic acid group Chemical group C(C=C)(=O)O NIXOWILDQLNWCW-UHFFFAOYSA-N 0.000 description 1
- 230000005540 biological transmission Effects 0.000 description 1
- 238000004891 communication Methods 0.000 description 1
- 239000012141 concentrate Substances 0.000 description 1
- 238000011109 contamination Methods 0.000 description 1
- 230000002950 deficient Effects 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 238000005530 etching Methods 0.000 description 1
- PCHJSUWPFVWCPO-UHFFFAOYSA-N gold Chemical compound [Au] PCHJSUWPFVWCPO-UHFFFAOYSA-N 0.000 description 1
- 229910052737 gold Inorganic materials 0.000 description 1
- 239000010931 gold Substances 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 230000003287 optical effect Effects 0.000 description 1
- 229920000573 polyethylene Polymers 0.000 description 1
- 239000011347 resin Substances 0.000 description 1
- 229920005989 resin Polymers 0.000 description 1
- 229910000679 solder Inorganic materials 0.000 description 1
- 238000012546 transfer Methods 0.000 description 1
Classifications
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- H—ELECTRICITY
- H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
- H05K—PRINTED CIRCUITS; CASINGS OR CONSTRUCTIONAL DETAILS OF ELECTRIC APPARATUS; MANUFACTURE OF ASSEMBLAGES OF ELECTRICAL COMPONENTS
- H05K1/00—Printed circuits
- H05K1/02—Details
- H05K1/11—Printed elements for providing electric connections to or between printed circuits
- H05K1/118—Printed elements for providing electric connections to or between printed circuits specially for flexible printed circuits, e.g. using folded portions
-
- H—ELECTRICITY
- H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
- H05K—PRINTED CIRCUITS; CASINGS OR CONSTRUCTIONAL DETAILS OF ELECTRIC APPARATUS; MANUFACTURE OF ASSEMBLAGES OF ELECTRICAL COMPONENTS
- H05K2201/00—Indexing scheme relating to printed circuits covered by H05K1/00
- H05K2201/20—Details of printed circuits not provided for in H05K2201/01 - H05K2201/10
- H05K2201/2009—Reinforced areas, e.g. for a specific part of a flexible printed circuit
-
- H—ELECTRICITY
- H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
- H05K—PRINTED CIRCUITS; CASINGS OR CONSTRUCTIONAL DETAILS OF ELECTRIC APPARATUS; MANUFACTURE OF ASSEMBLAGES OF ELECTRICAL COMPONENTS
- H05K2203/00—Indexing scheme relating to apparatus or processes for manufacturing printed circuits covered by H05K3/00
- H05K2203/01—Tools for processing; Objects used during processing
- H05K2203/0191—Using tape or non-metallic foil in a process, e.g. during filling of a hole with conductive paste
-
- H—ELECTRICITY
- H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
- H05K—PRINTED CIRCUITS; CASINGS OR CONSTRUCTIONAL DETAILS OF ELECTRIC APPARATUS; MANUFACTURE OF ASSEMBLAGES OF ELECTRICAL COMPONENTS
- H05K2203/00—Indexing scheme relating to apparatus or processes for manufacturing printed circuits covered by H05K3/00
- H05K2203/02—Details related to mechanical or acoustic processing, e.g. drilling, punching, cutting, using ultrasound
- H05K2203/0264—Peeling insulating layer, e.g. foil, or separating mask
-
- H—ELECTRICITY
- H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
- H05K—PRINTED CIRCUITS; CASINGS OR CONSTRUCTIONAL DETAILS OF ELECTRIC APPARATUS; MANUFACTURE OF ASSEMBLAGES OF ELECTRICAL COMPONENTS
- H05K2203/00—Indexing scheme relating to apparatus or processes for manufacturing printed circuits covered by H05K3/00
- H05K2203/16—Inspection; Monitoring; Aligning
- H05K2203/162—Testing a finished product, e.g. heat cycle testing of solder joints
-
- H—ELECTRICITY
- H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
- H05K—PRINTED CIRCUITS; CASINGS OR CONSTRUCTIONAL DETAILS OF ELECTRIC APPARATUS; MANUFACTURE OF ASSEMBLAGES OF ELECTRICAL COMPONENTS
- H05K3/00—Apparatus or processes for manufacturing printed circuits
- H05K3/0058—Laminating printed circuit boards onto other substrates, e.g. metallic substrates
-
- H—ELECTRICITY
- H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
- H05K—PRINTED CIRCUITS; CASINGS OR CONSTRUCTIONAL DETAILS OF ELECTRIC APPARATUS; MANUFACTURE OF ASSEMBLAGES OF ELECTRICAL COMPONENTS
- H05K3/00—Apparatus or processes for manufacturing printed circuits
- H05K3/22—Secondary treatment of printed circuits
- H05K3/28—Applying non-metallic protective coatings
- H05K3/281—Applying non-metallic protective coatings by means of a preformed insulating foil
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
- Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
- Y10T29/00—Metal working
- Y10T29/49—Method of mechanical manufacture
- Y10T29/49002—Electrical device making
- Y10T29/49117—Conductor or circuit manufacturing
- Y10T29/49124—On flat or curved insulated base, e.g., printed circuit, etc.
- Y10T29/49155—Manufacturing circuit on or in base
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
- Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
- Y10T29/00—Metal working
- Y10T29/49—Method of mechanical manufacture
- Y10T29/49002—Electrical device making
- Y10T29/49117—Conductor or circuit manufacturing
- Y10T29/49124—On flat or curved insulated base, e.g., printed circuit, etc.
- Y10T29/49155—Manufacturing circuit on or in base
- Y10T29/49156—Manufacturing circuit on or in base with selective destruction of conductive paths
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
- Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
- Y10T29/00—Metal working
- Y10T29/49—Method of mechanical manufacture
- Y10T29/49002—Electrical device making
- Y10T29/49117—Conductor or circuit manufacturing
- Y10T29/49124—On flat or curved insulated base, e.g., printed circuit, etc.
- Y10T29/49155—Manufacturing circuit on or in base
- Y10T29/49158—Manufacturing circuit on or in base with molding of insulated base
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
- Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
- Y10T29/00—Metal working
- Y10T29/49—Method of mechanical manufacture
- Y10T29/49718—Repairing
- Y10T29/49732—Repairing by attaching repair preform, e.g., remaking, restoring, or patching
Landscapes
- Engineering & Computer Science (AREA)
- Microelectronics & Electronic Packaging (AREA)
- Non-Metallic Protective Coatings For Printed Circuits (AREA)
- Structure Of Printed Boards (AREA)
Description
1324500 九、發明說明: 【發明所屬之技術領域】 本發明係提供一種防止電路板上線路斷裂之方法,特別是 指在電路板表面上貼附-薄膜,以強化此電路板之硬度。疋 【先前技術】 • 縣電子科麟快速發展,各種因應消費者料同需求之 鲁電子產品也跟著不斷地推陳出新。因而輕薄短小的電子裝置越 來越夕’主要如照相機、通訊裝置、筆記型電腦、液晶顯示哭 以及PM等等。且上述電子產品的設計趨勢並主要以輕質化: 薄型化、低價化、高品質、高精密化作為設計重點。 自於各式小魏子裝置義速發展,產品_越來越小, 連fU在其巾的電子零件亦趨姆,如電路板及其線路、 顯不器、其他面板或是連接器等。而在上述不同的電子零件間 •.錄需要靠線路來連接組裝,因此在線路連接時通常會使用繼 線或軟性電路板,來達到傳輸連接的目的。 但值得注意的是,上述軟性電路板因具有輕薄特性,所以 藉由軟性電路板在組裝於面板上,或是需要藉由軟性電路板進 灯零件測試的同時’產線人員往往在拿取軟性電路板的過程或 使用電測治具時,因為頻繁的插拔此電路板,而造成電路板前 端位置線路騎路以及t路餅_異常孩,終而使電路板 產品的不良率提昇。 —般常見的軟性電路板如圖一所示,係為一軟性電路板夏 之側面示意圖。其中主要包括一基板10、-銅層101及-覆蓋 層103。軟性電路板由於基板1〇較薄因此可以任意挽曲且基 板W 一般為黃棕色之聚亞醯胺(PI)及無色之聚自旨樹脂⑽)所 構成。並在基板1〇表面壓延上一銅層1〇1,銅们〇1經過光钱 刻的程序將需要的部份峨祕等化㈣品㈣形成所需要的 線路圖案。接著可經過機械加工、組裝等步驟_將另外所需 的電子元件排列在基板10上,形成所謂的軟性電路板。 軟性電路板的基板10油層101之間-般需加上-接著劑 102黏合。並且,為了使整塊軟性電路板的厚度符合所需,基板 10加上接著劑的厚度通常會控制在〇· 以下。常見的接著劑 102材料可為環氧樹脂或是壓克力材質。 為了避免基板10表面的銅層101受到損壞或污染,因此在 銅層101表面都會再覆蓋一覆蓋層103,覆蓋層1〇3係為-薄膜 並與基板10具有相同的材質’可用來保護銅層1〇1之線路。 接著請參照圖二所示,係為軟性電路板與其他連接器結合 之不思'圖。其軟性電路板1可透過其前端的接頭105與其他電 路板或是其他線路板上的連接插槽1〇4連接。連接插槽1〇4内 的端點通常是電賴或錯錫,且軟性電路板丨的接頭1G5通常 為鍍上5〜15μιη銲錫的金手指。藉由接頭1〇5與連接插槽1〇4的 結合,可使軟性電路板與其他電路板間產生訊號連接。 如上所述,隨著電子產品尺寸越趨輕薄短小,組裝於電子 產品中的軟性電路板亦製作得更薄,以便能在有限的空間中連 結不同的電子零件。轉注意的是,在由於軟性電路板的基板 車又薄’因此文到外力很容易產生變形,所以在製造的過程中, 以自動化傳送會變得相對困難,因此有好的測試或組裝動作 都必須仰賴人工來處理。 但出現的問題是’人工在插拔軟性電路板與連接器的同 時’所產生之應力多會集中在軟性電路板的前端位置,特別是 由於電路板前端由金手麵成的接頭,相較於 整塊軟性電路 板會具有較厚f的結構,因此軟性電路板在插拔過程中,容 易在刖端的接點線路上發生斷路縣,導致軟性電路板不良率 高達2.17%以上。 不但如此’在軟性電路板檢測之外觀方面,常因人工在插 拔時觸碰到基板,導致表面調痕及外職傷。紐得檢測外 觀部份的不良率高達繼。因此為了避免上述電路板不良率太 高的缺失,如何來解決軟性電路板之斷路及外觀損傷的情形乃 是刻不容緩的課題。 【發明内容】 本發月之目的,即是在提供—種防止電路板上線路斷裂之 方法,係錢行此板之#倾轉歸卜薄聽電路板表 面’以強化電路板之硬度’藉此降低電路板在組驗拔時發生 線路斷裂。其巾上述__鱗此餅板進行i試流程。 本發明之防止線路斷裂之電路板測試方法,包括下列步 驟.(1)細-相於電顿表面;接著⑵反覆插拔電路板於 不同的插射,輯行數_試辩;錢⑶將_從電路板 撕離。 在本只施彳种’電路板具有_接頭,用以與上述步驟2之 插槽連結’且軸之_係緊鄰此接頭。且電路板之厚度係在 09 0.12ram ’其中此電路板可為一軟性電路板。另外,薄膜之 厚度係小於G·15ΐΜ,城薄膜係為-韻樹脂(Polyethylene Te—e ;PET),並為—低黏度的材質。 為了此更進-步瞭解本發明特徵及技術内容,請參閱以下 有關本發明之詳細卿與關,然⑽關式僅提供參考與說 明用,並非用來對本發明加以限制。 【實施方式】 本發明提供—種防止電路板上線路斷裂之方法,特別是在 進行電路板之操作流程前崎於電路板表面,以強化此 電路板之硬度,藉此降低電路板在缝插拔生線 以下兹列舉-較佳實施例以·本發明,然熟悉此項技敲者皆 知此僅為-糊,而並_雜定㈣本身4鼠較佳實施 例之内容詳述如下。 8
Claims (1)
1324500 » » 十、申請專利範固: 1、 一種防止電路板上線路斷裂 之操作流雜_—t係麵·電路板 硬度,苴巾上、面,㈣化該電路板之 八中上她作流程係對該電路板進行-測試流程。 2、 如申請專利範圍第1項所 方法,〈防止電路板上線路斷裂之 八中該電路板之厚度係在〇.〇9〜0.12咖。 之
古、3、如中請專利範圍第1項所述之防止電路板上線路斷裂 方法,其中〶_之厚度係小於0. 15mm。 心如申請專利範圍幻項所述之防錢路板上線路斷裂之 方法’其中該薄膜係為-聚酷樹脂⑽yethylene Terephthalate; PET)。 、5、如中請專利第丨項所述之防止電路板上線路斷裂之 方法’其中該薄膜係為一低黏度的材質。 、6、如中請專利範圍第!項所述之防止電路板上線路斷裂之 方法,其中該電路板為一軟性電路板。 7、 如申請專概圍第丨項所狀防止電路板上線路斷裂之 方法,其中該電路板具有-接頭’用以與其他電路板上之插槽 連結,且貼附於該電路板表面之該薄膜係緊鄰該接頭。 9 8、 一種防止線路斷裂之電路板測試方法,包括下列步驟: (1) 貼附一薄膜於該電路板表面; (2) 反覆插拔該電路板於不同的插槽中,以進行數種測試 程序;及 13 1324500 » » * , * (3)將該薄膜從該電路板撕離;其中該薄膜係以強化該電 路板之硬度,藉此降低該電路板在組裝插拔時發生線路斷裂。 9、 如申請專利範圍第8項所述之測試方法,其中該電路板 具有-接頭,用以與步驟2之該插槽連結,且貼附之該薄膜係 緊鄰該接頭。 10、 如申請專利範圍第8項所述之職方法,其中該電路 板之厚度係在0. 09〜0.。 • 1卜如申請專利範圍第8項所述之測試方法,其中該薄膜 之厚度係小於0,15mm。 12、 如申請專利範圍第8項所述之測試方法,其中步驟工 ^ 薄膜係為一聚 g旨樹脂(Polyethylene Terephthalate; PET)。 13、 如申請專利範圍第12項所述之測試方法,其中該薄膜 係為一低黏度的材質。 14、 如申請專利範圍第8項所述之測試方法,其中該電路 板可為一軟性電路板。 1324500
圖二(習知技術)
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| TW095105435A TWI324500B (en) | 2006-02-17 | 2006-02-17 | The way to prevent the broken circuit of the fpc |
| US11/637,788 US7779539B2 (en) | 2006-02-17 | 2006-12-13 | Method for preventing broken circuits of a flexible printed circuit |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| TW095105435A TWI324500B (en) | 2006-02-17 | 2006-02-17 | The way to prevent the broken circuit of the fpc |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| TW200733831A TW200733831A (en) | 2007-09-01 |
| TWI324500B true TWI324500B (en) | 2010-05-01 |
Family
ID=38426998
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| TW095105435A TWI324500B (en) | 2006-02-17 | 2006-02-17 | The way to prevent the broken circuit of the fpc |
Country Status (2)
| Country | Link |
|---|---|
| US (1) | US7779539B2 (zh) |
| TW (1) | TWI324500B (zh) |
Families Citing this family (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US10083137B2 (en) | 2015-04-02 | 2018-09-25 | Atmel Corporation | Peripheral interface circuit for serial memory |
| JP7043267B2 (ja) | 2018-01-17 | 2022-03-29 | 株式会社ジャパンディスプレイ | 表示装置 |
| JP2019139072A (ja) * | 2018-02-09 | 2019-08-22 | 株式会社ジャパンディスプレイ | 表示装置およびフレキシブル配線基板 |
| US11670900B2 (en) | 2019-02-05 | 2023-06-06 | Emergency Technology, Inc. | Universal smart adaptor |
Family Cites Families (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3024151A (en) * | 1957-09-30 | 1962-03-06 | Automated Circuits Inc | Printed electrical circuits and method of making the same |
| US3181986A (en) * | 1961-03-31 | 1965-05-04 | Intellux Inc | Method of making inlaid circuits |
| US3301730A (en) * | 1961-04-03 | 1967-01-31 | Rogers Corp | Method of making a printed circuit |
| DE3322382A1 (de) * | 1983-06-22 | 1985-01-10 | Preh, Elektrofeinmechanische Werke Jakob Preh Nachf. Gmbh & Co, 8740 Bad Neustadt | Verfahren zur herstellung von gedruckten schaltungen |
| JP2607633B2 (ja) * | 1988-07-28 | 1997-05-07 | 日東電工株式会社 | 離型シート仮止めフレキシブル回路の製法およびその離型シート仮止めフレキシブル回路 |
| US5133118A (en) * | 1991-08-06 | 1992-07-28 | Sheldahl, Inc. | Surface mounted components on flex circuits |
| JP3305770B2 (ja) | 1992-10-09 | 2002-07-24 | 三菱伸銅株式会社 | 金属膜付きポリイミドフィルム |
| JPH06314860A (ja) * | 1993-04-28 | 1994-11-08 | Sony Chem Corp | 可撓性回路基板 |
| US6221176B1 (en) | 1999-03-17 | 2001-04-24 | Gould Electronics, Inc. | Surface treatment of copper to prevent microcracking in flexible circuits |
| US20030012927A1 (en) | 2001-06-04 | 2003-01-16 | Ube Industries, Ltd. | Process for preparing metal-coated aromatic polyimide film |
| US6921451B2 (en) | 2002-06-28 | 2005-07-26 | Metallized Products, Inc. | Method of and apparatus for protecting thin copper foil and other shiny substrates during handling and rigorous processing, as pcb manufacture and the like, by electric-charge adherence thereto of thin release-layered plastic films and the like, and improved products produced thereby |
-
2006
- 2006-02-17 TW TW095105435A patent/TWI324500B/zh not_active IP Right Cessation
- 2006-12-13 US US11/637,788 patent/US7779539B2/en active Active
Also Published As
| Publication number | Publication date |
|---|---|
| TW200733831A (en) | 2007-09-01 |
| US7779539B2 (en) | 2010-08-24 |
| US20070193771A1 (en) | 2007-08-23 |
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