KR940022819A - 성형 패키지 배열용 리드프레임 구조체 - Google Patents
성형 패키지 배열용 리드프레임 구조체 Download PDFInfo
- Publication number
- KR940022819A KR940022819A KR1019940006324A KR19940006324A KR940022819A KR 940022819 A KR940022819 A KR 940022819A KR 1019940006324 A KR1019940006324 A KR 1019940006324A KR 19940006324 A KR19940006324 A KR 19940006324A KR 940022819 A KR940022819 A KR 940022819A
- Authority
- KR
- South Korea
- Prior art keywords
- wire bond
- leadframe
- molding
- protective layer
- contact material
- 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.)
- Withdrawn
Links
Classifications
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01L—SEMICONDUCTOR DEVICES NOT COVERED BY CLASS H10
- H01L23/00—Details of semiconductor or other solid state devices
- H01L23/48—Arrangements for conducting electric current to or from the solid state body in operation, e.g. leads, terminal arrangements ; Selection of materials therefor
- H01L23/488—Arrangements for conducting electric current to or from the solid state body in operation, e.g. leads, terminal arrangements ; Selection of materials therefor consisting of soldered or bonded constructions
- H01L23/495—Lead-frames or other flat leads
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01L—SEMICONDUCTOR DEVICES NOT COVERED BY CLASS H10
- H01L21/00—Processes or apparatus adapted for the manufacture or treatment of semiconductor or solid state devices or of parts thereof
- H01L21/02—Manufacture or treatment of semiconductor devices or of parts thereof
- H01L21/04—Manufacture or treatment of semiconductor devices or of parts thereof the devices having potential barriers, e.g. a PN junction, depletion layer or carrier concentration layer
- H01L21/48—Manufacture or treatment of parts, e.g. containers, prior to assembly of the devices, using processes not provided for in a single one of the groups H01L21/18 - H01L21/326 or H10D48/04 - H10D48/07
- H01L21/4814—Conductive parts
- H01L21/4821—Flat leads, e.g. lead frames with or without insulating supports
- H01L21/4835—Cleaning, e.g. removing of solder
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01L—SEMICONDUCTOR DEVICES NOT COVERED BY CLASS H10
- H01L2924/00—Indexing scheme for arrangements or methods for connecting or disconnecting semiconductor or solid-state bodies as covered by H01L24/00
- H01L2924/0001—Technical content checked by a classifier
- H01L2924/0002—Not covered by any one of groups H01L24/00, H01L24/00 and H01L2224/00
Landscapes
- Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- Condensed Matter Physics & Semiconductors (AREA)
- General Physics & Mathematics (AREA)
- Computer Hardware Design (AREA)
- Microelectronics & Electronic Packaging (AREA)
- Power Engineering (AREA)
- Manufacturing & Machinery (AREA)
- Lead Frames For Integrated Circuits (AREA)
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US4023693A | 1993-03-30 | 1993-03-30 | |
| US040,236 | 1993-03-30 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| KR940022819A true KR940022819A (ko) | 1994-10-21 |
Family
ID=21909897
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| KR1019940006324A Withdrawn KR940022819A (ko) | 1993-03-30 | 1994-03-29 | 성형 패키지 배열용 리드프레임 구조체 |
Country Status (4)
| Country | Link |
|---|---|
| EP (1) | EP0620589A1 (enExample) |
| JP (1) | JPH06310638A (enExample) |
| KR (1) | KR940022819A (enExample) |
| TW (1) | TW256946B (enExample) |
Family Cites Families (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS6396947A (ja) * | 1986-10-13 | 1988-04-27 | Mitsubishi Electric Corp | 半導体装置用リ−ドフレ−ム |
| US5070041A (en) * | 1988-08-12 | 1991-12-03 | Mitsui Petrochemical Industries, Ltd. | Method of removing flash from a semiconductor leadframe using coated leadframe and solvent |
| US4968397A (en) * | 1989-11-27 | 1990-11-06 | Asher Reginald K | Non-cyanide electrode cleaning process |
| JPH0451531A (ja) * | 1990-06-19 | 1992-02-20 | Mitsubishi Electric Corp | 絶縁封止型半導体装置の製造方法 |
-
1993
- 1993-08-13 TW TW082106493A patent/TW256946B/zh active
-
1994
- 1994-03-23 EP EP94302067A patent/EP0620589A1/en not_active Withdrawn
- 1994-03-29 KR KR1019940006324A patent/KR940022819A/ko not_active Withdrawn
- 1994-03-30 JP JP6059626A patent/JPH06310638A/ja not_active Withdrawn
Also Published As
| Publication number | Publication date |
|---|---|
| JPH06310638A (ja) | 1994-11-04 |
| EP0620589A1 (en) | 1994-10-19 |
| TW256946B (enExample) | 1995-09-11 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PA0109 | Patent application |
Patent event code: PA01091R01D Comment text: Patent Application Patent event date: 19940329 |
|
| PG1501 | Laying open of application | ||
| PC1203 | Withdrawal of no request for examination | ||
| WITN | Application deemed withdrawn, e.g. because no request for examination was filed or no examination fee was paid |