JPS63155649U - - Google Patents
Info
- Publication number
- JPS63155649U JPS63155649U JP4890187U JP4890187U JPS63155649U JP S63155649 U JPS63155649 U JP S63155649U JP 4890187 U JP4890187 U JP 4890187U JP 4890187 U JP4890187 U JP 4890187U JP S63155649 U JPS63155649 U JP S63155649U
- Authority
- JP
- Japan
- Prior art keywords
- island
- lead frame
- partitions
- slit
- tie bar
- 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
- 238000005192 partition Methods 0.000 claims description 3
- 239000002184 metal Substances 0.000 claims 1
Landscapes
- Lead Frames For Integrated Circuits (AREA)
Description
第１図ａ及びｂは本考案の第１の実施例のスリ
ツトとタイバーの応力印加前及び後における平面
図、第２図及び第３図は本考案の第２及び第３の
実施例のスリツトとタイバーの平面図、第４図ａ
及びｂは従来のリードフレームの一例及びスリツ
トとタイバーの平面図である。
１ａ，１ｂ……外枠部、３……仕切部、３ａ〜
３ｋ……スリツト、４，４ａ〜４ｅ……タイバー
、５……アイランド、６……リードフレーム、７
……リード、α〜γ……交差角。
Figures 1a and b are plan views of the slit and tie bar before and after stress application in the first embodiment of the present invention, and Figures 2 and 3 are plan views of the slit in the second and third embodiments of the present invention. and tie bar plan view, Figure 4a
and b are plan views of an example of a conventional lead frame, slits, and tie bars. 1a, 1b...outer frame part, 3...partition part, 3a~
3k...Slit, 4,4a-4e...Tie bar, 5...Island, 6...Lead frame, 7
...Lead, α~γ...Cross angle.
Claims (1)
複数のリードとを一組として区切る仕切部とが金
属帯板に繰り返して複数個設けられて、前記仕切
部にスリツトが設けられて構成されるリードフレ
ームにおいて、前記スリツトの向い合う長辺にお
いて交差でするタイバーを少なくとも一つ設けた
ことを特徴とするリードフレーム。 A lead frame in which a plurality of partitions are repeatedly provided on a metal band plate to separate an island and a plurality of leads arranged around the island as a set, and the partitions are provided with slits. . A lead frame, characterized in that at least one cross tie bar is provided on the opposite long sides of the slit.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP4890187U JPS63155649U (en) | 1987-03-30 | 1987-03-30 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP4890187U JPS63155649U (en) | 1987-03-30 | 1987-03-30 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS63155649U true JPS63155649U (en) | 1988-10-12 |
Family
ID=30870866
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP4890187U Pending JPS63155649U (en) | 1987-03-30 | 1987-03-30 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS63155649U (en) |
-
1987
- 1987-03-30 JP JP4890187U patent/JPS63155649U/ja active Pending