JPS6255355U - - Google Patents
Info
- Publication number
- JPS6255355U JPS6255355U JP14832585U JP14832585U JPS6255355U JP S6255355 U JPS6255355 U JP S6255355U JP 14832585 U JP14832585 U JP 14832585U JP 14832585 U JP14832585 U JP 14832585U JP S6255355 U JPS6255355 U JP S6255355U
- Authority
- JP
- Japan
- Prior art keywords
- band
- metal plate
- shaped metal
- lead portion
- lead frame
- 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 3
- 238000004080 punching Methods 0.000 description 1
Landscapes
- Lead Frames For Integrated Circuits (AREA)
Description
第1図a,bは本考案の一実施例の平面図及び
側面図、第2図a,bは第1図の実施例の一部拡
大平面図及び側面図、第3図a,bは従来のIC
用リードフレームの平面図及び側面図である。
1……外部パターン領域、2……内部パターン
領域、3,3a……打抜き部、4……内部リード
、5……外部リード部、6……アイランド、10
……帯状金属板。
Figures 1a and b are a plan view and a side view of an embodiment of the present invention, Figures 2a and b are a partially enlarged plan view and side view of the embodiment shown in Figure 1, and Figures 3a and b are Conventional IC
FIG. DESCRIPTION OF SYMBOLS 1... External pattern area, 2... Inner pattern area, 3, 3a... Punching part, 4... Inner lead, 5... Outer lead part, 6... Island, 10
...band-shaped metal plate.
Claims (1)
たIC用リードフレームにおいて、少なくとも外
部リード部を除く前記帯状金属板の中央部の板厚
が外部リード部より薄く形成されていることを特
徴とするIC用リードフレーム。 An IC lead frame in which an external lead portion is formed on the outer side of a band-shaped metal plate, characterized in that a central portion of the band-shaped metal plate excluding at least the external lead portion is thinner than the outer lead portion. Lead frame for IC.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP14832585U JPS6255355U (en) | 1985-09-27 | 1985-09-27 |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP14832585U JPS6255355U (en) | 1985-09-27 | 1985-09-27 |
Publications (1)
Publication Number | Publication Date |
---|---|
JPS6255355U true JPS6255355U (en) | 1987-04-06 |
Family
ID=31062485
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP14832585U Pending JPS6255355U (en) | 1985-09-27 | 1985-09-27 |
Country Status (1)
Country | Link |
---|---|
JP (1) | JPS6255355U (en) |
-
1985
- 1985-09-27 JP JP14832585U patent/JPS6255355U/ja active Pending