JPH03104755U - - Google Patents
Info
- Publication number
- JPH03104755U JPH03104755U JP1416290U JP1416290U JPH03104755U JP H03104755 U JPH03104755 U JP H03104755U JP 1416290 U JP1416290 U JP 1416290U JP 1416290 U JP1416290 U JP 1416290U JP H03104755 U JPH03104755 U JP H03104755U
- Authority
- JP
- Japan
- Prior art keywords
- lead
- lead frame
- suspension
- suspension lead
- 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
- 239000000725 suspension Substances 0.000 claims description 3
- 229910000679 solder Inorganic materials 0.000 claims description 2
Landscapes
- Lead Frames For Integrated Circuits (AREA)
Description
第１図は、この考案の一実施例によるリードフ
レームの部分平面図、第２図は第１図の吊りリー
ド部の拡大平面図、第３図は第２図の−線に
おける断面図、第４図は従来のリードフレームの
部分平面図、第５図は第４図の吊りリード部の拡
大平面図、第６図は第５図の−線における断
面図である。
図において、１……吊りリード、２……はんだ
流れ止め、３……ダイパツド、４……チツプ、５
……ワイヤボンデイングパツドを示す。なお、図
中、同一符号は同一、又は相当部分を示す。
1 is a partial plan view of a lead frame according to an embodiment of the invention, FIG. 2 is an enlarged plan view of the hanging lead portion of FIG. 1, FIG. 3 is a sectional view taken along the line - in FIG. 4 is a partial plan view of a conventional lead frame, FIG. 5 is an enlarged plan view of the suspension lead portion of FIG. 4, and FIG. 6 is a sectional view taken along the line - in FIG. 5. In the figure, 1... Hanging lead, 2... Solder flow stopper, 3... Die pad, 4... Chip, 5
...Indicates a wire bonding pad. In addition, in the figures, the same reference numerals indicate the same or equivalent parts.
Claims (1)
だ流れ止めを凹部と凸部の連続形状にすると共に
、吊りリードの全幅に渡るようにしたことを特徴
とするリードフレーム。 A lead frame characterized in that a solder flow stopper provided on a suspension lead of the lead frame has a continuous shape of a concave portion and a convex portion, and extends over the entire width of the suspension lead.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1416290U JPH03104755U (en) | 1990-02-15 | 1990-02-15 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1416290U JPH03104755U (en) | 1990-02-15 | 1990-02-15 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH03104755U true JPH03104755U (en) | 1991-10-30 |
Family
ID=31517539
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP1416290U Pending JPH03104755U (en) | 1990-02-15 | 1990-02-15 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH03104755U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2005026370A (en) * | 2003-06-30 | 2005-01-27 | Kyocera Corp | Piezoelectric actuator and ink jet recording head equipped therewith |
| JP2012049457A (en) * | 2010-08-30 | 2012-03-08 | Hosiden Corp | Terminal box |
| US8723031B2 (en) | 2010-08-30 | 2014-05-13 | Hosiden Corporation | Terminal box |
-
1990
- 1990-02-15 JP JP1416290U patent/JPH03104755U/ja active Pending
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2005026370A (en) * | 2003-06-30 | 2005-01-27 | Kyocera Corp | Piezoelectric actuator and ink jet recording head equipped therewith |
| JP4497850B2 (en) * | 2003-06-30 | 2010-07-07 | 京セラ株式会社 | Piezoelectric actuator and ink jet recording head having the same |
| JP2012049457A (en) * | 2010-08-30 | 2012-03-08 | Hosiden Corp | Terminal box |
| US8723031B2 (en) | 2010-08-30 | 2014-05-13 | Hosiden Corporation | Terminal box |