JPH0373464U - - Google Patents
Info
- Publication number
- JPH0373464U JPH0373464U JP13398589U JP13398589U JPH0373464U JP H0373464 U JPH0373464 U JP H0373464U JP 13398589 U JP13398589 U JP 13398589U JP 13398589 U JP13398589 U JP 13398589U JP H0373464 U JPH0373464 U JP H0373464U
- Authority
- JP
- Japan
- Prior art keywords
- lead
- tie bar
- showing
- lead frame
- view
- 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
- 239000004065 semiconductor Substances 0.000 claims description 5
Landscapes
- Lead Frames For Integrated Circuits (AREA)
Description
第１図ａは本考案の一実施例を示す平面図、第
１図ｂは第１図ａの半導体対用リードフレームの
タイバーの断面形状の例を示す断面図、第２図、
第３図、第４図はそれぞれ本考案の他の実施例を
示す平面図、第５図ａは従来の半導体用リードフ
レームの一例を示す平面図、第５図ｂは第５図ａ
の半導体用リードフレームのタイバーの断面形状
を示す断面図である。
１……フレーム、２……タイバー、３……リー
ド、４……ダイアイランド、５……吊りリード、
２１，３１，５１……Ｖ型溝。なお図中同一符号
は同一または相当する部分を示す。
FIG. 1a is a plan view showing an embodiment of the present invention, FIG. 1b is a cross-sectional view showing an example of the cross-sectional shape of the tie bar of the semiconductor pair lead frame of FIG. 1a, FIG.
3 and 4 are plan views showing other embodiments of the present invention, FIG. 5 a is a plan view showing an example of a conventional semiconductor lead frame, and FIG. 5 b is a plan view showing an example of a conventional semiconductor lead frame.
FIG. 3 is a cross-sectional view showing the cross-sectional shape of a tie bar of a lead frame for a semiconductor. 1...Frame, 2...Tie bar, 3...Lead, 4...Die island, 5...Hanging lead,
21, 31, 51...V-shaped groove. Note that the same reference numerals in the figures indicate the same or corresponding parts.
Claims (1)
とリードの双方にそれぞれＶ型溝を長手方向に設
けたことを特徴とする半導体用リードフレーム。 A semiconductor lead frame characterized in that a tie bar or a lead, or both a tie bar and a lead, are each provided with a V-shaped groove in the longitudinal direction.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP13398589U JPH0373464U (en) | 1989-11-20 | 1989-11-20 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP13398589U JPH0373464U (en) | 1989-11-20 | 1989-11-20 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH0373464U true JPH0373464U (en) | 1991-07-24 |
Family
ID=31681364
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP13398589U Pending JPH0373464U (en) | 1989-11-20 | 1989-11-20 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0373464U (en) |
-
1989
- 1989-11-20 JP JP13398589U patent/JPH0373464U/ja active Pending