JPS6234471U - - Google Patents
Info
- Publication number
- JPS6234471U JPS6234471U JP12567885U JP12567885U JPS6234471U JP S6234471 U JPS6234471 U JP S6234471U JP 12567885 U JP12567885 U JP 12567885U JP 12567885 U JP12567885 U JP 12567885U JP S6234471 U JPS6234471 U JP S6234471U
- Authority
- JP
- Japan
- Prior art keywords
- printed wiring
- wiring board
- land
- utility
- electronic components
- 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 description 1
- 239000000758 substrate Substances 0.000 description 1
Landscapes
- Electric Connection Of Electric Components To Printed Circuits (AREA)
Description
第１図は本考案に係るランド形状を有する印刷
配線板の要部斜視図、第２図は電子部品の実装状
態断面図、第３図は本考案の他の実施例を示すラ
ンド形状の平面図、第４図は従来のランド形状を
示す平面図である。
１１……電子部品、１２，１２′……ランド、
１２―１，１２′―１……段部、１３……パター
ン、１４……基板、１５……半田、１６……レジ
スト。
Fig. 1 is a perspective view of the main parts of a printed wiring board having a land shape according to the present invention, Fig. 2 is a cross-sectional view of a state in which electronic components are mounted, and Fig. 3 is a plan view of a land shape showing another embodiment of the present invention. 4 are plan views showing conventional land shapes. 11...electronic parts, 12,12'...land,
12-1, 12'-1...Stepped portion, 13...Pattern, 14...Substrate, 15...Solder, 16...Resist.
Claims (1)
刷配線板において、印刷配線されるランドには実
装される電子部品の位置ずれの限度を示す段部を
形成するようにしたことを特徴とする印刷配線板
。 (2) 前記ランドの周辺には印刷レジスト又は感
光性レジストを設けて実装される電子部品の限度
マークとするようにしたことを特徴とする実用新
案登録請求の範囲第１項記載の印刷配線板。[Scope of Claim for Utility Model Registration] (1) In a printed wiring board on which electronic components without lead wires are mounted, a stepped portion is formed on the printed wiring land to indicate the limit of positional deviation of the mounted electronic component. A printed wiring board characterized by: (2) The printed wiring board according to claim 1 of the utility model registration claim, characterized in that a printed resist or photosensitive resist is provided around the land to serve as a limit mark for electronic components to be mounted. .
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP12567885U JPS6234471U (en) | 1985-08-19 | 1985-08-19 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP12567885U JPS6234471U (en) | 1985-08-19 | 1985-08-19 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS6234471U true JPS6234471U (en) | 1987-02-28 |
Family
ID=31018782
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP12567885U Pending JPS6234471U (en) | 1985-08-19 | 1985-08-19 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS6234471U (en) |
-
1985
- 1985-08-19 JP JP12567885U patent/JPS6234471U/ja active Pending