JP7234049B2 - プリント配線基板 - Google Patents
プリント配線基板 Download PDFInfo
- Publication number
- JP7234049B2 JP7234049B2 JP2019118994A JP2019118994A JP7234049B2 JP 7234049 B2 JP7234049 B2 JP 7234049B2 JP 2019118994 A JP2019118994 A JP 2019118994A JP 2019118994 A JP2019118994 A JP 2019118994A JP 7234049 B2 JP7234049 B2 JP 7234049B2
- Authority
- JP
- Japan
- Prior art keywords
- hole
- conductor
- wiring
- insulating layer
- printed wiring
- 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.)
- Active
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Classifications
-
- 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
- H05K3/0011—Working of insulating substrates or insulating layers
- H05K3/0055—After-treatment, e.g. cleaning or desmearing of holes
-
- 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
- H05K1/115—Via connections; Lands around holes or via connections
- H05K1/116—Lands, clearance holes or other lay-out details concerning the surrounding of a via
-
- 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
- H05K3/42—Plated through-holes or plated via connections
- H05K3/429—Plated through-holes specially for multilayer circuits, e.g. having connections to inner circuit layers
-
- 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
- H05K2201/09—Shape and layout
- H05K2201/09209—Shape and layout details of conductors
- H05K2201/095—Conductive through-holes or vias
- H05K2201/0959—Plated through-holes or plated blind vias filled with insulating material
-
- 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
- H05K2201/09—Shape and layout
- H05K2201/09209—Shape and layout details of conductors
- H05K2201/095—Conductive through-holes or vias
- H05K2201/09645—Patterning on via walls; Plural lands around one hole
-
- 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
- H05K2201/09—Shape and layout
- H05K2201/09818—Shape or layout details not covered by a single group of H05K2201/09009 - H05K2201/09809
- H05K2201/09827—Tapered, e.g. tapered hole, via or groove
Description
3 配線導体
3a スルーホール導体
3s 配線導体の第1面
5 絶縁層
5s 絶縁層の第2面
6 スルーホール
7 孔埋め樹脂
8 凹部
Claims (5)
- 厚さ方向に積層された複数の絶縁層と、
前記複数の絶縁層の間にそれぞれ対応して位置する複数の配線導体と、
複数の前記絶縁層および複数の前記配線導体を前記厚さ方向に貫通しているスルーホールと、
前記スルーホールの壁面に位置しているスルーホール導体と、を有しており、
前記スルーホールに面する前記配線導体の第1面は、前記スルーホールを前記厚さ方向に貫く中心軸を基準として、前記スルーホールに面する前記絶縁層の第2面よりも外側に位置しており、
複数の前記配線導体は、前記厚さ方向に沿った長尺形状の結晶粒を有し、前記厚さ方向を向いている結晶界面を、前記厚さ方向に直交する水平方向を向いている結晶界面よりも多く含む、ことを特徴とするプリント配線基板。 - 前記スルーホール導体は、径方向の中央部が空洞になっている筒状である、請求項1に記載のプリント配線基板。
- 前記空洞内が樹脂で充填されている、請求項2に記載のプリント配線基板。
- 前記スルーホール導体は、前記配線導体の前記第1面に相当する部位に、環状の凹部を有している、請求項2または3のいずれかに記載のプリント配線基板。
- 前記配線導体の前記第1面と前記スルーホール導体との境界が、非直線的に入り組んでいる、請求項1~4のいずれかに記載のプリント配線基板。
Priority Applications (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US16/575,468 US10779408B2 (en) | 2018-09-26 | 2019-09-19 | Printed wiring board |
CN201910907814.6A CN110958762B (zh) | 2018-09-26 | 2019-09-24 | 印刷布线基板 |
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2018180734 | 2018-09-26 | ||
JP2018180734 | 2018-09-26 |
Publications (2)
Publication Number | Publication Date |
---|---|
JP2020057767A JP2020057767A (ja) | 2020-04-09 |
JP7234049B2 true JP7234049B2 (ja) | 2023-03-07 |
Family
ID=70107673
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP2019118994A Active JP7234049B2 (ja) | 2018-09-26 | 2019-06-26 | プリント配線基板 |
Country Status (2)
Country | Link |
---|---|
US (1) | US10779408B2 (ja) |
JP (1) | JP7234049B2 (ja) |
Families Citing this family (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US20230345629A1 (en) * | 2022-04-26 | 2023-10-26 | Dell Products L.P. | Pcb stiffening structure to prevent warping |
CN115020513B (zh) * | 2022-06-02 | 2023-07-28 | 横店集团东磁股份有限公司 | 一种叉指背接触太阳能电池的制作方法及制得的叉指背接触太阳能电池 |
Citations (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2000244129A (ja) | 1998-12-25 | 2000-09-08 | Ngk Spark Plug Co Ltd | 配線基板、コア基板及びその製造方法 |
JP2009027153A (ja) | 2008-06-13 | 2009-02-05 | Mitsui Mining & Smelting Co Ltd | 耐折性に優れた配線基板および半導体装置 |
JP2011174146A (ja) | 2010-02-25 | 2011-09-08 | Fukuda Metal Foil & Powder Co Ltd | 電解銅箔及びその製造方法 |
Family Cites Families (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS54157266A (en) * | 1978-06-01 | 1979-12-12 | Fujitsu Ltd | Chemical cleaning method of multiilayer printed board |
JPH0429397A (ja) * | 1990-05-24 | 1992-01-31 | Hitachi Chem Co Ltd | 多層プリント配線板の製造方法 |
JPH0637455A (ja) * | 1992-07-15 | 1994-02-10 | Matsushita Electric Works Ltd | 多層プリント配線板の製造方法 |
JP6600176B2 (ja) * | 2015-06-19 | 2019-10-30 | ホシデン株式会社 | 多層プリント配線板及び多層プリント配線板とコネクタとの接続構造 |
-
2019
- 2019-06-26 JP JP2019118994A patent/JP7234049B2/ja active Active
- 2019-09-19 US US16/575,468 patent/US10779408B2/en active Active
Patent Citations (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2000244129A (ja) | 1998-12-25 | 2000-09-08 | Ngk Spark Plug Co Ltd | 配線基板、コア基板及びその製造方法 |
JP2009027153A (ja) | 2008-06-13 | 2009-02-05 | Mitsui Mining & Smelting Co Ltd | 耐折性に優れた配線基板および半導体装置 |
JP2011174146A (ja) | 2010-02-25 | 2011-09-08 | Fukuda Metal Foil & Powder Co Ltd | 電解銅箔及びその製造方法 |
Also Published As
Publication number | Publication date |
---|---|
JP2020057767A (ja) | 2020-04-09 |
US10779408B2 (en) | 2020-09-15 |
US20200120799A1 (en) | 2020-04-16 |
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