JPH02106870U - - Google Patents
Info
- Publication number
- JPH02106870U JPH02106870U JP1457989U JP1457989U JPH02106870U JP H02106870 U JPH02106870 U JP H02106870U JP 1457989 U JP1457989 U JP 1457989U JP 1457989 U JP1457989 U JP 1457989U JP H02106870 U JPH02106870 U JP H02106870U
- Authority
- JP
- Japan
- Prior art keywords
- wiring board
- printed wiring
- pattern
- land
- drawn
- 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
- 239000002699 waste material Substances 0.000 claims 2
- 238000010586 diagram Methods 0.000 description 2
Landscapes
- Electric Connection Of Electric Components To Printed Circuits (AREA)
Description
第１図、第２図はそれぞれ本考案によるプリン
ト配線板のＩＣパターン形状の実施例を示す図、
第３図は従来のプリント配線板のＩＣパターン形
状例を示す図である。
図面中、１はプリント配線板、２はＩＣ、３Ａ
はリード、４Ａは捨てランド、５は電源、接地、
共通電位あるいは信号のパターン、６は捨てパタ
ーンである。
FIG. 1 and FIG. 2 are diagrams showing examples of the IC pattern shape of a printed wiring board according to the present invention, respectively;
FIG. 3 is a diagram showing an example of the shape of an IC pattern on a conventional printed wiring board. In the drawing, 1 is a printed wiring board, 2 is an IC, and 3A
is the lead, 4A is the discarded land, 5 is the power supply, ground,
The common potential or signal pattern 6 is a discarded pattern.
Claims (1)
うち電源、接地、共通電位及び信号いずれのパタ
ーンも引き出されていない捨てランドが存在する
プリント配線板において、 捨てランドのみから引き出された捨てパターン
が形成されていることを特徴とするプリント配線
板のＩＣパターン形状。[Scope of Claim for Utility Model Registration] In a printed wiring board where an IC land is formed and there is a waste land among the IC lands from which no power, ground, common potential, or signal pattern is drawn out, only the waste land. 1. An IC pattern shape of a printed wiring board, characterized in that a discarded pattern drawn from a wafer is formed.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1457989U JPH02106870U (en) | 1989-02-13 | 1989-02-13 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1457989U JPH02106870U (en) | 1989-02-13 | 1989-02-13 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH02106870U true JPH02106870U (en) | 1990-08-24 |
Family
ID=31225906
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP1457989U Pending JPH02106870U (en) | 1989-02-13 | 1989-02-13 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH02106870U (en) |
-
1989
- 1989-02-13 JP JP1457989U patent/JPH02106870U/ja active Pending