JPS5541716A - Production of semiconductor device - Google Patents
Production of semiconductor deviceInfo
- Publication number
- JPS5541716A JPS5541716A JP11408578A JP11408578A JPS5541716A JP S5541716 A JPS5541716 A JP S5541716A JP 11408578 A JP11408578 A JP 11408578A JP 11408578 A JP11408578 A JP 11408578A JP S5541716 A JPS5541716 A JP S5541716A
- Authority
- JP
- Japan
- Prior art keywords
- drain
- semiconductor
- filler
- junction
- region
- 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
Landscapes
- Local Oxidation Of Silicon (AREA)
- Bipolar Transistors (AREA)
Abstract
PURPOSE: To produce a semiconductor having high reliability with forming a protection layer in where, when a drain is set on the semiconductor base to separate the semiconductor element, special step is made on the drain and the whole drain is completely covered with a filler.
CONSTITUTION: An n-type region 2 is formed on the p-type semiconductor base 1 with a method, and the pn junction 3 is formed between collector bases. Further, plural semiconductor elements are formed by forming the emitter region with diffusion of p-type impurity in the region 2. The drain 4 having a stair part 5 is made on the pn junction 3. The stair 5 should be shallower than the pn junction 3 and the surface of inside wall also should be rough. The drain 4 is completely covered with filler 7 made of metal oxides etc. and it is allowed to spread the filler 7 from the stair part 5 over the insulation fiom 6. The stable and completed protection layer 7a is formed with heat treatment and also separates between the semiconductor elements.
COPYRIGHT: (C)1980,JPO&Japio
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP11408578A JPS5541716A (en) | 1978-09-19 | 1978-09-19 | Production of semiconductor device |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP11408578A JPS5541716A (en) | 1978-09-19 | 1978-09-19 | Production of semiconductor device |
Publications (1)
Publication Number | Publication Date |
---|---|
JPS5541716A true JPS5541716A (en) | 1980-03-24 |
Family
ID=14628695
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP11408578A Pending JPS5541716A (en) | 1978-09-19 | 1978-09-19 | Production of semiconductor device |
Country Status (1)
Country | Link |
---|---|
JP (1) | JPS5541716A (en) |
Cited By (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS6262873A (en) * | 1985-09-13 | 1987-03-19 | Pentel Kk | Solid picture drawing material |
US4829108A (en) * | 1987-03-31 | 1989-05-09 | Sakura Color Products Corporation | Solid coating compositions |
WO2008007643A1 (en) | 2006-07-12 | 2008-01-17 | Sakura Color Products Corporation | Crayon |
-
1978
- 1978-09-19 JP JP11408578A patent/JPS5541716A/en active Pending
Cited By (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS6262873A (en) * | 1985-09-13 | 1987-03-19 | Pentel Kk | Solid picture drawing material |
US4829108A (en) * | 1987-03-31 | 1989-05-09 | Sakura Color Products Corporation | Solid coating compositions |
WO2008007643A1 (en) | 2006-07-12 | 2008-01-17 | Sakura Color Products Corporation | Crayon |
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