JPH0325280U - - Google Patents
Info
- Publication number
- JPH0325280U JPH0325280U JP8621489U JP8621489U JPH0325280U JP H0325280 U JPH0325280 U JP H0325280U JP 8621489 U JP8621489 U JP 8621489U JP 8621489 U JP8621489 U JP 8621489U JP H0325280 U JPH0325280 U JP H0325280U
- Authority
- JP
- Japan
- Prior art keywords
- wiring board
- printed wiring
- lands
- coating material
- covered
- 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
Links
- 239000011248 coating agent Substances 0.000 claims description 3
- 238000000576 coating method Methods 0.000 claims description 3
- 238000000605 extraction Methods 0.000 claims description 3
- 239000000463 material Substances 0.000 claims description 3
- 239000003795 chemical substances by application Substances 0.000 description 1
Landscapes
- Printing Elements For Providing Electric Connections Between Printed Circuits (AREA)
- Electric Connection Of Electric Components To Printed Circuits (AREA)
Description
第１図及び第２図は本考案の印刷配線板の一実
施例を示す斜視図及び平面図、第３図は従来の印
刷配線板の一例を示す平面図である。
１１……ＬＳＩパツケージ（電子部品）、１２
……リード、１３……印刷配線板、１４……ラン
ド、１５……回路パターン、１６，１８……信号
取出し用ランド、１７……レジスト剤（絶縁被覆
材料）。
1 and 2 are a perspective view and a plan view showing an embodiment of the printed wiring board of the present invention, and FIG. 3 is a plan view showing an example of a conventional printed wiring board. 11...LSI package (electronic component), 12
... Lead, 13 ... Printed wiring board, 14 ... Land, 15 ... Circuit pattern, 16, 18 ... Land for signal extraction, 17 ... Resist agent (insulating coating material).
Claims (1)
、このランドより延長する複数本の回路パターン
と、各回路パターンの一部に設けられた信号取出
し用ランドとを備えた印刷配線板において、 上記信号取出し用ランドの一部を絶縁被覆材料
で覆い、この絶縁被覆材料で覆われていない露出
部分が回路パターンの並び方向に対し千鳥配列と
なるようにしたことを特徴とする印刷配線板。[Claim for Utility Model Registration] A product comprising a plurality of lands to which electronic component leads are connected, a plurality of circuit patterns extending from the lands, and a signal extraction land provided in a part of each circuit pattern. In the printed wiring board, a part of the signal extraction land is covered with an insulating coating material, and the exposed portions not covered with the insulating coating material are arranged in a staggered manner with respect to the direction in which the circuit patterns are arranged. Printed wiring board.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP8621489U JPH0325280U (en) | 1989-07-21 | 1989-07-21 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP8621489U JPH0325280U (en) | 1989-07-21 | 1989-07-21 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH0325280U true JPH0325280U (en) | 1991-03-15 |
Family
ID=31635686
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP8621489U Pending JPH0325280U (en) | 1989-07-21 | 1989-07-21 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0325280U (en) |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5942045B2 (en) * | 1980-05-22 | 1984-10-12 | ドネツキイ ナウチノ−イスレドバテルスキイ インステイチユ−トチエルノイ メタルルギイ | Venting feeder for feeding pulverized coal to the blast furnace hearth |
| JPS6212982B2 (en) * | 1978-12-11 | 1987-03-23 | Nisshin Flour Milling Co |
-
1989
- 1989-07-21 JP JP8621489U patent/JPH0325280U/ja active Pending
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS6212982B2 (en) * | 1978-12-11 | 1987-03-23 | Nisshin Flour Milling Co | |
| JPS5942045B2 (en) * | 1980-05-22 | 1984-10-12 | ドネツキイ ナウチノ−イスレドバテルスキイ インステイチユ−トチエルノイ メタルルギイ | Venting feeder for feeding pulverized coal to the blast furnace hearth |