JP6944971B2 - 配線回路基板 - Google Patents
配線回路基板 Download PDFInfo
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- JP6944971B2 JP6944971B2 JP2019092725A JP2019092725A JP6944971B2 JP 6944971 B2 JP6944971 B2 JP 6944971B2 JP 2019092725 A JP2019092725 A JP 2019092725A JP 2019092725 A JP2019092725 A JP 2019092725A JP 6944971 B2 JP6944971 B2 JP 6944971B2
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- 239000004020 conductor Substances 0.000 claims description 109
- 229910052751 metal Inorganic materials 0.000 claims description 107
- 239000002184 metal Substances 0.000 claims description 86
- 238000004519 manufacturing process Methods 0.000 claims description 27
- 238000000034 method Methods 0.000 claims description 27
- 238000007772 electroless plating Methods 0.000 claims description 23
- 238000005530 etching Methods 0.000 claims description 15
- 239000010408 film Substances 0.000 description 50
- 238000007747 plating Methods 0.000 description 42
- PXHVJJICTQNCMI-UHFFFAOYSA-N Nickel Chemical compound [Ni] PXHVJJICTQNCMI-UHFFFAOYSA-N 0.000 description 13
- 239000000243 solution Substances 0.000 description 12
- 239000000463 material Substances 0.000 description 11
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 description 9
- 229910052802 copper Inorganic materials 0.000 description 9
- 239000010949 copper Substances 0.000 description 9
- 229910045601 alloy Inorganic materials 0.000 description 8
- 239000000956 alloy Substances 0.000 description 8
- 238000001039 wet etching Methods 0.000 description 7
- 229910052759 nickel Inorganic materials 0.000 description 6
- 229910052737 gold Inorganic materials 0.000 description 5
- 239000010931 gold Substances 0.000 description 5
- 239000007769 metal material Substances 0.000 description 5
- 239000000758 substrate Substances 0.000 description 5
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 4
- 238000009713 electroplating Methods 0.000 description 4
- PCHJSUWPFVWCPO-UHFFFAOYSA-N gold Chemical compound [Au] PCHJSUWPFVWCPO-UHFFFAOYSA-N 0.000 description 4
- 229910021645 metal ion Inorganic materials 0.000 description 4
- 150000002739 metals Chemical class 0.000 description 4
- 239000011347 resin Substances 0.000 description 4
- 229920005989 resin Polymers 0.000 description 4
- VYZAMTAEIAYCRO-UHFFFAOYSA-N Chromium Chemical compound [Cr] VYZAMTAEIAYCRO-UHFFFAOYSA-N 0.000 description 3
- BQCADISMDOOEFD-UHFFFAOYSA-N Silver Chemical compound [Ag] BQCADISMDOOEFD-UHFFFAOYSA-N 0.000 description 3
- HEMHJVSKTPXQMS-UHFFFAOYSA-M Sodium hydroxide Chemical compound [OH-].[Na+] HEMHJVSKTPXQMS-UHFFFAOYSA-M 0.000 description 3
- 229910052804 chromium Inorganic materials 0.000 description 3
- 239000011651 chromium Substances 0.000 description 3
- 238000004891 communication Methods 0.000 description 3
- 238000010586 diagram Methods 0.000 description 3
- 230000000694 effects Effects 0.000 description 3
- 229910052709 silver Inorganic materials 0.000 description 3
- 239000004332 silver Substances 0.000 description 3
- KDLHZDBZIXYQEI-UHFFFAOYSA-N Palladium Chemical compound [Pd] KDLHZDBZIXYQEI-UHFFFAOYSA-N 0.000 description 2
- ATJFFYVFTNAWJD-UHFFFAOYSA-N Tin Chemical compound [Sn] ATJFFYVFTNAWJD-UHFFFAOYSA-N 0.000 description 2
- 229910052782 aluminium Inorganic materials 0.000 description 2
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 description 2
- 230000015572 biosynthetic process Effects 0.000 description 2
- 239000013039 cover film Substances 0.000 description 2
- 230000010365 information processing Effects 0.000 description 2
- 229910052742 iron Inorganic materials 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 229910001453 nickel ion Inorganic materials 0.000 description 2
- BASFCYQUMIYNBI-UHFFFAOYSA-N platinum Chemical compound [Pt] BASFCYQUMIYNBI-UHFFFAOYSA-N 0.000 description 2
- 230000003014 reinforcing effect Effects 0.000 description 2
- 238000004544 sputter deposition Methods 0.000 description 2
- 239000000725 suspension Substances 0.000 description 2
- 229910052718 tin Inorganic materials 0.000 description 2
- 239000002966 varnish Substances 0.000 description 2
- OYPRJOBELJOOCE-UHFFFAOYSA-N Calcium Chemical compound [Ca] OYPRJOBELJOOCE-UHFFFAOYSA-N 0.000 description 1
- 229910000881 Cu alloy Inorganic materials 0.000 description 1
- GYHNNYVSQQEPJS-UHFFFAOYSA-N Gallium Chemical compound [Ga] GYHNNYVSQQEPJS-UHFFFAOYSA-N 0.000 description 1
- 229910021578 Iron(III) chloride Inorganic materials 0.000 description 1
- ZOKXTWBITQBERF-UHFFFAOYSA-N Molybdenum Chemical compound [Mo] ZOKXTWBITQBERF-UHFFFAOYSA-N 0.000 description 1
- VEQPNABPJHWNSG-UHFFFAOYSA-N Nickel(2+) Chemical compound [Ni+2] VEQPNABPJHWNSG-UHFFFAOYSA-N 0.000 description 1
- 239000004642 Polyimide Substances 0.000 description 1
- 239000004115 Sodium Silicate Substances 0.000 description 1
- RTAQQCXQSZGOHL-UHFFFAOYSA-N Titanium Chemical compound [Ti] RTAQQCXQSZGOHL-UHFFFAOYSA-N 0.000 description 1
- HCHKCACWOHOZIP-UHFFFAOYSA-N Zinc Chemical compound [Zn] HCHKCACWOHOZIP-UHFFFAOYSA-N 0.000 description 1
- QCWXUUIWCKQGHC-UHFFFAOYSA-N Zirconium Chemical compound [Zr] QCWXUUIWCKQGHC-UHFFFAOYSA-N 0.000 description 1
- 239000000654 additive Substances 0.000 description 1
- 230000000996 additive effect Effects 0.000 description 1
- 238000004378 air conditioning Methods 0.000 description 1
- 239000007864 aqueous solution Substances 0.000 description 1
- 239000011575 calcium Substances 0.000 description 1
- 229910052791 calcium Inorganic materials 0.000 description 1
- 229910017052 cobalt Inorganic materials 0.000 description 1
- 239000010941 cobalt Substances 0.000 description 1
- GUTLYIVDDKVIGB-UHFFFAOYSA-N cobalt atom Chemical compound [Co] GUTLYIVDDKVIGB-UHFFFAOYSA-N 0.000 description 1
- 238000000151 deposition Methods 0.000 description 1
- 230000008021 deposition Effects 0.000 description 1
- 238000001514 detection method Methods 0.000 description 1
- 238000001312 dry etching Methods 0.000 description 1
- 230000003628 erosive effect Effects 0.000 description 1
- 229910052733 gallium Inorganic materials 0.000 description 1
- 229910052732 germanium Inorganic materials 0.000 description 1
- GNPVGFCGXDBREM-UHFFFAOYSA-N germanium atom Chemical compound [Ge] GNPVGFCGXDBREM-UHFFFAOYSA-N 0.000 description 1
- -1 gold ion Chemical class 0.000 description 1
- 229910021482 group 13 metal Inorganic materials 0.000 description 1
- QWARLPGIFZKIQW-UHFFFAOYSA-N hydrogen peroxide;nitric acid Chemical compound OO.O[N+]([O-])=O QWARLPGIFZKIQW-UHFFFAOYSA-N 0.000 description 1
- XEMZLVDIUVCKGL-UHFFFAOYSA-N hydrogen peroxide;sulfuric acid Chemical compound OO.OS(O)(=O)=O XEMZLVDIUVCKGL-UHFFFAOYSA-N 0.000 description 1
- 238000009413 insulation Methods 0.000 description 1
- RBTARNINKXHZNM-UHFFFAOYSA-K iron trichloride Chemical compound Cl[Fe](Cl)Cl RBTARNINKXHZNM-UHFFFAOYSA-K 0.000 description 1
- 238000010030 laminating Methods 0.000 description 1
- WPBNNNQJVZRUHP-UHFFFAOYSA-L manganese(2+);methyl n-[[2-(methoxycarbonylcarbamothioylamino)phenyl]carbamothioyl]carbamate;n-[2-(sulfidocarbothioylamino)ethyl]carbamodithioate Chemical group [Mn+2].[S-]C(=S)NCCNC([S-])=S.COC(=O)NC(=S)NC1=CC=CC=C1NC(=S)NC(=O)OC WPBNNNQJVZRUHP-UHFFFAOYSA-L 0.000 description 1
- 229910052750 molybdenum Inorganic materials 0.000 description 1
- 239000011733 molybdenum Substances 0.000 description 1
- 229910052763 palladium Inorganic materials 0.000 description 1
- 230000000737 periodic effect Effects 0.000 description 1
- 230000002093 peripheral effect Effects 0.000 description 1
- 229910052697 platinum Inorganic materials 0.000 description 1
- 229920001721 polyimide Polymers 0.000 description 1
- 239000012286 potassium permanganate Substances 0.000 description 1
- 238000001556 precipitation Methods 0.000 description 1
- 235000011121 sodium hydroxide Nutrition 0.000 description 1
- 235000019795 sodium metasilicate Nutrition 0.000 description 1
- NTHWMYGWWRZVTN-UHFFFAOYSA-N sodium silicate Chemical compound [Na+].[Na+].[O-][Si]([O-])=O NTHWMYGWWRZVTN-UHFFFAOYSA-N 0.000 description 1
- 229910052911 sodium silicate Inorganic materials 0.000 description 1
- 239000010935 stainless steel Substances 0.000 description 1
- 229910001220 stainless steel Inorganic materials 0.000 description 1
- 239000011135 tin Substances 0.000 description 1
- 229910052719 titanium Inorganic materials 0.000 description 1
- 239000010936 titanium Substances 0.000 description 1
- 229910052723 transition metal Inorganic materials 0.000 description 1
- 150000003624 transition metals Chemical class 0.000 description 1
- WFKWXMTUELFFGS-UHFFFAOYSA-N tungsten Chemical compound [W] WFKWXMTUELFFGS-UHFFFAOYSA-N 0.000 description 1
- 229910052721 tungsten Inorganic materials 0.000 description 1
- 239000010937 tungsten Substances 0.000 description 1
- 229910052720 vanadium Inorganic materials 0.000 description 1
- LEONUFNNVUYDNQ-UHFFFAOYSA-N vanadium atom Chemical compound [V] LEONUFNNVUYDNQ-UHFFFAOYSA-N 0.000 description 1
- 238000005406 washing Methods 0.000 description 1
- 229910052725 zinc Inorganic materials 0.000 description 1
- 239000011701 zinc Substances 0.000 description 1
- 229910052726 zirconium Inorganic materials 0.000 description 1
Images
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
- H05K3/00—Apparatus or processes for manufacturing printed circuits
- H05K3/22—Secondary treatment of printed circuits
- H05K3/24—Reinforcing the conductive pattern
- H05K3/244—Finish plating of conductors, especially of copper conductors, e.g. for pads or lands
-
- 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
- H05K1/03—Use of materials for the substrate
- H05K1/05—Insulated conductive substrates, e.g. insulated metal substrate
-
- 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
- H05K3/40—Forming printed elements for providing electric connections to or between printed circuits
- H05K3/4007—Surface contacts, e.g. bumps
-
- 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
- H05K1/111—Pads for surface mounting, e.g. lay-out
-
- 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
- H05K1/117—Pads along the edge of rigid circuit boards, e.g. for pluggable connectors
-
- 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
- H05K3/00—Apparatus or processes for manufacturing printed circuits
- H05K3/02—Apparatus or processes for manufacturing printed circuits in which the conductive material is applied to the surface of the insulating support and is thereafter removed from such areas of the surface which are not intended for current conducting or shielding
- H05K3/06—Apparatus or processes for manufacturing printed circuits in which the conductive material is applied to the surface of the insulating support and is thereafter removed from such areas of the surface which are not intended for current conducting or shielding the conductive material being removed chemically or electrolytically, e.g. by photo-etch process
- H05K3/067—Etchants
-
- 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
- H05K3/10—Apparatus or processes for manufacturing printed circuits in which conductive material is applied to the insulating support in such a manner as to form the desired conductive pattern
- H05K3/18—Apparatus or processes for manufacturing printed circuits in which conductive material is applied to the insulating support in such a manner as to form the desired conductive pattern using precipitation techniques to apply the conductive material
- H05K3/181—Apparatus or processes for manufacturing printed circuits in which conductive material is applied to the insulating support in such a manner as to form the desired conductive pattern using precipitation techniques to apply the conductive material by electroless plating
-
- 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
- H05K3/40—Forming printed elements for providing electric connections to or between printed circuits
-
- 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
- H05K3/40—Forming printed elements for providing electric connections to or between printed circuits
- H05K3/403—Edge contacts; Windows or holes in the substrate having plural connections on the walls thereof
-
- 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
- H05K1/03—Use of materials for the substrate
- H05K1/05—Insulated conductive substrates, e.g. insulated metal substrate
- H05K1/056—Insulated conductive substrates, e.g. insulated metal substrate the metal substrate being covered by an organic insulating layer
-
- 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
- H05K2203/07—Treatments involving liquids, e.g. plating, rinsing
- H05K2203/0703—Plating
- H05K2203/072—Electroless plating, e.g. finish plating or initial plating
-
- 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
- H05K3/44—Manufacturing insulated metal core circuits or other insulated electrically conductive core circuits
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- Engineering & Computer Science (AREA)
- Microelectronics & Electronic Packaging (AREA)
- Manufacturing & Machinery (AREA)
- Manufacturing Of Printed Wiring (AREA)
- Printing Elements For Providing Electric Connections Between Printed Circuits (AREA)
- Insulated Metal Substrates For Printed Circuits (AREA)
Description
1.配線回路基板
本発明の配線回路基板の第1実施形態としての配線回路基板1を、図1および図2を参照して説明する。
次に、配線回路基板1の製造方法について、図3A〜図6を参照して説明する。
次に、図7を参照して、本発明の配線回路基板の第2実施形態について説明する。なお、第2実施形態では、上記した第1実施形態と同様の部材には同様の符号を付し、その説明を省略する。
次に、図8および図9を参照して、本発明の配線回路基板の第3実施形態について説明する。なお、第3実施形態では、上記した第1実施形態と同様の部材には同様の符号を付し、その説明を省略する。
上記した第1実施形態〜第3実施形態では、図4Iおよび図5Jに示されるように、カバー絶縁層5から露出する第1めっき層7が除去された後に、グランドリード19の一部が除去されるが、第1めっき層の除去と、グランドリードの除去の順序は、これに限定されない。グランドリードの一部を除去した後、カバー絶縁層から露出する第1めっき層を除去してもよい。
2 金属支持層
3 ベース絶縁層
4 導体層
4A プレ導体層
4B プレ導体層
6 種膜
15 第1端子
18 グランドリード残余部分
19 グランドリード
21 グランドリード
22 グランドリード残余部分
40 第1導体層
41 第2導体層
42 第1端子形成層
43 リード形成層
45 第2端子形成層
46 リード形成層
Claims (7)
- 金属支持層と、
前記金属支持層の厚み方向の一方側に配置される絶縁層と、
前記絶縁層の前記厚み方向の一方側に配置され、端子部と、前記端子部と電気的に接続されるグランドリード残余部分とを備える導体層と、を備え、
前記グランドリード残余部分の厚みは、前記端子部の厚みよりも薄く、
前記絶縁層の一部は、前記グランドリード残余部分が延びる方向において、前記グランドリード残余部分および前記金属支持層に対して、前記端子部の反対側に突出することを特徴とする、配線回路基板。 - 前記端子部は、前記厚み方向に積層される複数の端子形成層を備え、
前記グランドリード残余部分は、前記複数の端子形成層の少なくとも1つに連続するリード形成層を備えることを特徴とする、請求項1に記載の配線回路基板。 - 前記グランドリード残余部分は、配線回路基板の端部に位置することを特徴とする、請求項1または2に記載の配線回路基板。
- 前記グランドリード残余部分は、前記絶縁層の前記厚み方向の一方面に配置されることを特徴とする、請求項1〜3のいずれか一項に記載の配線回路基板。
- 金属支持層を準備する工程と、
前記金属支持層の厚み方向の一方側に絶縁層を形成する工程と、
前記絶縁層の前記厚み方向の一方側に配置される端子部と、前記端子部および前記金属支持層を電気的に接続するグランドリードとを備える導体層を形成する工程と、
前記導体層を無電解めっきする工程と、
前記端子部と前記金属支持層とが絶縁されるように、前記グランドリードの一部を除去して、グランドリード残余部分を形成する工程と、を含み、
前記グランドリード残余部分の厚みは、前記端子部の厚みよりも薄く、
前記グランドリードの一部を除去する工程において、前記金属支持層の一部と前記グランドリードの一部とを同時にエッチングすることを特徴とする、配線回路基板の製造方法。 - 前記導体層を形成する工程は、
前記グランドリードを構成するリード形成層と、前記端子部を構成し、前記リード形成層と連続する端子形成層とを同時に形成する工程と、
前記グランドリードを構成するリード形成層を形成せず、前記端子部を構成する端子形成層を形成する工程と、を含むことを特徴とする、請求項5に記載の配線回路基板の製造方法。 - 前記絶縁層を形成する工程後、かつ、前記導体層を形成する工程前において、前記絶縁層の前記厚み方向の一方面、および、前記絶縁層から露出する金属支持層の前記厚み方向の一方面に、種膜を形成する工程と、
前記導体層を形成する工程後、かつ、前記無電解めっきする工程前において、前記導体層から露出する種膜を除去する工程と、
前記グランドリードの一部を除去する工程後、前記グランドリードの除去により露出した種膜を除去する工程と、をさらに含むことを特徴とする、請求項5または6に記載の配線回路基板の製造方法。
Priority Applications (7)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2019092725A JP6944971B2 (ja) | 2019-05-16 | 2019-05-16 | 配線回路基板 |
PCT/JP2020/015871 WO2020230487A1 (ja) | 2019-05-16 | 2020-04-08 | 配線回路基板 |
US17/610,058 US20220256712A1 (en) | 2019-05-16 | 2020-04-08 | Wiring circuit board |
KR1020217036561A KR20220008267A (ko) | 2019-05-16 | 2020-04-08 | 배선 회로 기판 |
CN202080034913.9A CN113812217A (zh) | 2019-05-16 | 2020-04-08 | 布线电路基板 |
TW109115378A TW202044940A (zh) | 2019-05-16 | 2020-05-08 | 配線電路基板 |
JP2021145499A JP7514214B2 (ja) | 2019-05-16 | 2021-09-07 | 配線回路基板 |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2019092725A JP6944971B2 (ja) | 2019-05-16 | 2019-05-16 | 配線回路基板 |
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JP2021145499A Division JP7514214B2 (ja) | 2019-05-16 | 2021-09-07 | 配線回路基板 |
Publications (3)
Publication Number | Publication Date |
---|---|
JP2020188189A JP2020188189A (ja) | 2020-11-19 |
JP2020188189A5 JP2020188189A5 (ja) | 2021-09-16 |
JP6944971B2 true JP6944971B2 (ja) | 2021-10-06 |
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US11653455B2 (en) * | 2021-02-26 | 2023-05-16 | Nvidia Corporation | Electroplating edge connector pins of printed circuit boards without using tie bars |
TWI833405B (zh) * | 2022-10-27 | 2024-02-21 | 先豐通訊股份有限公司 | 具有差厚線路層之電路板及其製造方法 |
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JP4339834B2 (ja) * | 2005-08-23 | 2009-10-07 | 日東電工株式会社 | 回路付サスペンション基板の製造方法 |
JP5239299B2 (ja) * | 2007-11-06 | 2013-07-17 | 大日本印刷株式会社 | サスペンション基板およびその製造方法 |
JP2009259315A (ja) * | 2008-04-14 | 2009-11-05 | Nitto Denko Corp | 回路付サスペンション基板およびその製造方法 |
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JP2013206488A (ja) * | 2012-03-27 | 2013-10-07 | Dainippon Printing Co Ltd | サスペンション用基板、サスペンション、素子付サスペンション、ハードディスクドライブ、およびサスペンション用基板の製造方法 |
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JP6355984B2 (ja) * | 2014-06-20 | 2018-07-11 | 日東電工株式会社 | 回路付サスペンション基板 |
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KR20220008267A (ko) | 2022-01-20 |
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