CH593558A5 - - Google Patents
Info
- Publication number
- CH593558A5 CH593558A5 CH616275A CH616275A CH593558A5 CH 593558 A5 CH593558 A5 CH 593558A5 CH 616275 A CH616275 A CH 616275A CH 616275 A CH616275 A CH 616275A CH 593558 A5 CH593558 A5 CH 593558A5
- Authority
- CH
- Switzerland
Links
Classifications
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- 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
- H01L21/18—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 the devices having semiconductor bodies comprising elements of Group IV of the Periodic Table or AIIIBV compounds with or without impurities, e.g. doping materials
- H01L21/30—Treatment of semiconductor bodies using processes or apparatus not provided for in groups H01L21/20 - H01L21/26
- H01L21/302—Treatment of semiconductor bodies using processes or apparatus not provided for in groups H01L21/20 - H01L21/26 to change their surface-physical characteristics or shape, e.g. etching, polishing, cutting
- H01L21/306—Chemical or electrical treatment, e.g. electrolytic etching
- H01L21/30604—Chemical etching
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- H—ELECTRICITY
- H10—SEMICONDUCTOR DEVICES; ELECTRIC SOLID-STATE DEVICES NOT OTHERWISE PROVIDED FOR
- H10D—INORGANIC ELECTRIC SEMICONDUCTOR DEVICES
- H10D62/00—Semiconductor bodies, or regions thereof, of devices having potential barriers
- H10D62/10—Shapes, relative sizes or dispositions of the regions of the semiconductor bodies; Shapes of the semiconductor bodies
- H10D62/102—Constructional design considerations for preventing surface leakage or controlling electric field concentration
- H10D62/103—Constructional design considerations for preventing surface leakage or controlling electric field concentration for increasing or controlling the breakdown voltage of reverse-biased devices
- H10D62/104—Constructional design considerations for preventing surface leakage or controlling electric field concentration for increasing or controlling the breakdown voltage of reverse-biased devices having particular shapes of the bodies at or near reverse-biased junctions, e.g. having bevels or moats
Landscapes
- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- General Chemical & Material Sciences (AREA)
- Physics & Mathematics (AREA)
- Condensed Matter Physics & Semiconductors (AREA)
- General Physics & Mathematics (AREA)
- Manufacturing & Machinery (AREA)
- Computer Hardware Design (AREA)
- Microelectronics & Electronic Packaging (AREA)
- Power Engineering (AREA)
- Weting (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE2437048A DE2437048A1 (de) | 1974-08-01 | 1974-08-01 | Verfahren zur herstellung von halbleitertabletten mit definiertem randprofil |
Publications (1)
Publication Number | Publication Date |
---|---|
CH593558A5 true CH593558A5 (cs) | 1977-12-15 |
Family
ID=5922140
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CH616275A CH593558A5 (cs) | 1974-08-01 | 1975-05-13 |
Country Status (2)
Country | Link |
---|---|
CH (1) | CH593558A5 (cs) |
DE (1) | DE2437048A1 (cs) |
Families Citing this family (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
TW511180B (en) * | 2000-07-31 | 2002-11-21 | Mitsubishi Chem Corp | Mixed acid solution in etching process, process for producing the same, etching process using the same and process for producing semiconductor device |
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1974
- 1974-08-01 DE DE2437048A patent/DE2437048A1/de not_active Withdrawn
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1975
- 1975-05-13 CH CH616275A patent/CH593558A5/xx not_active IP Right Cessation
Also Published As
Publication number | Publication date |
---|---|
DE2437048A1 (de) | 1976-02-12 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
PL | Patent ceased | ||
PL | Patent ceased |