JPH022845U - - Google Patents
Info
- Publication number
- JPH022845U JPH022845U JP8029688U JP8029688U JPH022845U JP H022845 U JPH022845 U JP H022845U JP 8029688 U JP8029688 U JP 8029688U JP 8029688 U JP8029688 U JP 8029688U JP H022845 U JPH022845 U JP H022845U
- Authority
- JP
- Japan
- Prior art keywords
- utility
- lead frame
- model registration
- layer
- layers
- 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
- 239000002184 metal Substances 0.000 claims description 2
- 238000007747 plating Methods 0.000 description 1
Landscapes
- Lead Frames For Integrated Circuits (AREA)
Description
第１図は、本考案の一実施例を示すリードフレ
ームのフレーム部の断面図、第２図は従来のリー
ドフレームのフレーム部の断面図である。
１，３……金属メツキ部、２，４，５……フレ
ーム部。
FIG. 1 is a sectional view of a frame portion of a lead frame showing an embodiment of the present invention, and FIG. 2 is a sectional view of a frame portion of a conventional lead frame. 1, 3...Metal plating part, 2, 4, 5... Frame part.
Claims (1)
がｎ層構成（ｎ≧２の自然数）となつていること
を特徴とするリードフレーム。 (2) 前記ｎ層構成の各層において、外装の層ほ
ど導電率の大きい層であることを特徴とする実用
新案登録請求範囲第１項記載のリードフレーム。[Claims for Utility Model Registration] (1) A lead frame characterized in that the cross-sectional structure of the frame portion excluding the metal plated portion has an n-layer configuration (n≧2 natural number). (2) The lead frame according to claim 1 of the utility model registration, characterized in that among the layers of the n-layer structure, the outer layer has a higher conductivity.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP8029688U JPH022845U (en) | 1988-06-16 | 1988-06-16 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP8029688U JPH022845U (en) | 1988-06-16 | 1988-06-16 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH022845U true JPH022845U (en) | 1990-01-10 |
Family
ID=31305127
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP8029688U Pending JPH022845U (en) | 1988-06-16 | 1988-06-16 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH022845U (en) |
-
1988
- 1988-06-16 JP JP8029688U patent/JPH022845U/ja active Pending