JPH045654U - - Google Patents
Info
- Publication number
- JPH045654U JPH045654U JP4728890U JP4728890U JPH045654U JP H045654 U JPH045654 U JP H045654U JP 4728890 U JP4728890 U JP 4728890U JP 4728890 U JP4728890 U JP 4728890U JP H045654 U JPH045654 U JP H045654U
- Authority
- JP
- Japan
- Prior art keywords
- lead
- frame
- protrusion
- forming member
- metal
- 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 2
Landscapes
- Lead Frames For Integrated Circuits (AREA)
Description
第１図は本考案によるリードフレームの一実施
例の枠部に固定した突起形成部材を示す断面図、
第２図は本考案によるリードフレームの一実施例
の上面の斜視図、第３図は同実施例の下面の斜視
図、第４図は積み重ねられた本考案の一実施例の
リードフレームの断面図、第５図、第６図および
第７図は本考案によるリードフレームの異なる実
施例においてそれぞれ用いた突起形成部材を示す
断面図、第８図は積み重ねられた従来のリードフ
レームの断面図、第９図は従来のリードフレーム
の枠部に設けられた突起部を示す断面図である。
符号の説明、１……リードフレームの枠部、２
……孔、３……突起形成部材、３ａ……突起形成
部材の頭部、２１……リード部、２１ａ……オフ
セツト部、２２……リードフレーム、５１……突
起形成部材、５１ａ……突起形成部材の凸部、５
１ｂ……突起形成部材の窪み、６１，７１……突
起形成部材、８１……リード部、８２……枠部、
８３……突起。
FIG. 1 is a sectional view showing a protrusion forming member fixed to the frame of an embodiment of the lead frame according to the present invention;
Fig. 2 is a top perspective view of an embodiment of the lead frame according to the present invention, Fig. 3 is a bottom perspective view of the same embodiment, and Fig. 4 is a cross section of stacked lead frames of an embodiment of the present invention. 5, 6 and 7 are cross-sectional views showing protrusion forming members respectively used in different embodiments of the lead frame according to the present invention, and FIG. 8 is a cross-sectional view of conventional stacked lead frames. FIG. 9 is a sectional view showing a protrusion provided on the frame of a conventional lead frame. Explanation of symbols, 1... Frame of lead frame, 2
... hole, 3 ... protrusion forming member, 3a ... head of protrusion forming member, 21 ... lead part, 21a ... offset part, 22 ... lead frame, 51 ... protrusion forming member, 51a ... protrusion Convex portion of forming member, 5
1b... Depression of protrusion forming member, 61, 71... Protrusion forming member, 81... Lead part, 82... Frame part,
83... Protrusion.
Claims (1)
で構成され、前記リード部を支持する枠部、およ
び前記枠部に厚さ方向の突起を形成させるための
、前記枠部に固定された突起形成部材から成るこ
とを特徴とするリードフレーム。 A lead part made of a plate made of metal or the like, a frame part made of a plate made of metal or the like and supporting the lead part, and fixed to the frame part for forming a protrusion in the thickness direction on the frame part. A lead frame comprising a protrusion forming member.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP4728890U JPH045654U (en) | 1990-05-02 | 1990-05-02 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP4728890U JPH045654U (en) | 1990-05-02 | 1990-05-02 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH045654U true JPH045654U (en) | 1992-01-20 |
Family
ID=31563088
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP4728890U Pending JPH045654U (en) | 1990-05-02 | 1990-05-02 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH045654U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5292371U (en) * | 1975-12-29 | 1977-07-09 |
-
1990
- 1990-05-02 JP JP4728890U patent/JPH045654U/ja active Pending
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5292371U (en) * | 1975-12-29 | 1977-07-09 |
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