JPH0189775U - - Google Patents
Info
- Publication number
- JPH0189775U JPH0189775U JP18511487U JP18511487U JPH0189775U JP H0189775 U JPH0189775 U JP H0189775U JP 18511487 U JP18511487 U JP 18511487U JP 18511487 U JP18511487 U JP 18511487U JP H0189775 U JPH0189775 U JP H0189775U
- Authority
- JP
- Japan
- Prior art keywords
- pad
- wiring board
- printed wiring
- solder resist
- resist relief
- 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
- 229910000679 solder Inorganic materials 0.000 claims description 4
Landscapes
- Electric Connection Of Electric Components To Printed Circuits (AREA)
Description
第１図及び第２図は本考案の第１及び第２の実
施例の平面図、第３図は従来の印刷配線板の平面
図、第４図は従来の印刷配線板にフラツトＩＣ部
品を搭載した場合の部分平面図である。
１……印刷配線板、２……ソルダーレジスト、
３……パツド、４……ソルダーレジストの逃げ、
５……フラツトＩＣ、６……外部リード、７……
レーザービーム。
1 and 2 are plan views of the first and second embodiments of the present invention, FIG. 3 is a plan view of a conventional printed wiring board, and FIG. 4 is a plan view of a conventional printed wiring board with flat IC components. FIG. 3 is a partial plan view of the vehicle installed. 1...Printed wiring board, 2...Solder resist,
3...Putsudo, 4...Escape of solder resist,
5...Flat IC, 6...External lead, 7...
Laser beam.
Claims (1)
を実装するためのパツドと該パツドの周囲に形成
されたソルダーレジストの逃げとを有する印刷配
線板において、前記ソルダーレジストの逃げは前
記各パツドに連通していることを特徴とする印刷
配線板。 In a printed wiring board having a pad for mounting a flat IC component having external leads in four directions and a solder resist relief formed around the pad, the solder resist relief communicates with each pad. A printed wiring board characterized by:
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP18511487U JPH0189775U (en) | 1987-12-03 | 1987-12-03 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP18511487U JPH0189775U (en) | 1987-12-03 | 1987-12-03 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH0189775U true JPH0189775U (en) | 1989-06-13 |
Family
ID=31476442
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP18511487U Pending JPH0189775U (en) | 1987-12-03 | 1987-12-03 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0189775U (en) |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5784193A (en) * | 1980-11-14 | 1982-05-26 | Tokyo Shibaura Electric Co | Printed circuit board |
| JPS5856491A (en) * | 1981-09-30 | 1983-04-04 | 株式会社東芝 | Printed circuit board |
| JPS5849472B2 (en) * | 1975-10-03 | 1983-11-04 | 帝人株式会社 | Shijiyoukiyuinhouhou |
-
1987
- 1987-12-03 JP JP18511487U patent/JPH0189775U/ja active Pending
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5849472B2 (en) * | 1975-10-03 | 1983-11-04 | 帝人株式会社 | Shijiyoukiyuinhouhou |
| JPS5784193A (en) * | 1980-11-14 | 1982-05-26 | Tokyo Shibaura Electric Co | Printed circuit board |
| JPS5856491A (en) * | 1981-09-30 | 1983-04-04 | 株式会社東芝 | Printed circuit board |