FR2139850B1 - - Google Patents
Info
- Publication number
- FR2139850B1 FR2139850B1 FR7215481A FR7215481A FR2139850B1 FR 2139850 B1 FR2139850 B1 FR 2139850B1 FR 7215481 A FR7215481 A FR 7215481A FR 7215481 A FR7215481 A FR 7215481A FR 2139850 B1 FR2139850 B1 FR 2139850B1
- Authority
- FR
- France
- 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.)
- Expired
Links
Classifications
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01L—SEMICONDUCTOR DEVICES NOT COVERED BY CLASS H10
- H01L33/00—Semiconductor devices having potential barriers specially adapted for light emission; Processes or apparatus specially adapted for the manufacture or treatment thereof or of parts thereof; Details thereof
- H01L33/005—Processes
- H01L33/0062—Processes for devices with an active region comprising only III-V compounds
-
- 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
- H01L21/30625—With simultaneous mechanical treatment, e.g. mechanico-chemical polishing
Landscapes
- Engineering & Computer Science (AREA)
- Manufacturing & Machinery (AREA)
- Computer Hardware Design (AREA)
- Microelectronics & Electronic Packaging (AREA)
- Power Engineering (AREA)
- Physics & Mathematics (AREA)
- Condensed Matter Physics & Semiconductors (AREA)
- General Physics & Mathematics (AREA)
- Mechanical Treatment Of Semiconductor (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US13977371A | 1971-05-03 | 1971-05-03 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| FR2139850A1 FR2139850A1 (en) | 1973-01-12 |
| FR2139850B1 true FR2139850B1 (en) | 1974-09-27 |
Family
ID=22488230
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| FR7215481A Expired FR2139850B1 (en) | 1971-05-03 | 1972-05-02 |
Country Status (6)
| Country | Link |
|---|---|
| US (1) | US3764424A (en) |
| BE (1) | BE782809A (en) |
| CA (1) | CA940805A (en) |
| DE (1) | DE2220963A1 (en) |
| FR (1) | FR2139850B1 (en) |
| IT (1) | IT957703B (en) |
Families Citing this family (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3972770A (en) * | 1973-07-23 | 1976-08-03 | International Telephone And Telegraph Corporation | Method of preparation of electron emissive materials |
| US4108716A (en) * | 1976-12-22 | 1978-08-22 | Bell Telephone Laboratories, Incorporated | Polishing of CdS crystals |
| US4980750A (en) * | 1987-12-29 | 1990-12-25 | Nec Corporation | Semiconductor crystal |
| KR20040000009A (en) * | 2002-06-19 | 2004-01-03 | 주식회사 하이닉스반도체 | Solution for Platinum-Chemical Mechanical Planarization |
-
1971
- 1971-05-03 US US00139773A patent/US3764424A/en not_active Expired - Lifetime
- 1971-12-07 CA CA129,539A patent/CA940805A/en not_active Expired
-
1972
- 1972-04-28 BE BE782809A patent/BE782809A/en unknown
- 1972-04-28 DE DE19722220963 patent/DE2220963A1/en active Pending
- 1972-05-02 FR FR7215481A patent/FR2139850B1/fr not_active Expired
- 1972-05-03 IT IT50022/72A patent/IT957703B/en active
Also Published As
| Publication number | Publication date |
|---|---|
| CA940805A (en) | 1974-01-29 |
| US3764424A (en) | 1973-10-09 |
| IT957703B (en) | 1973-10-20 |
| FR2139850A1 (en) | 1973-01-12 |
| BE782809A (en) | 1972-08-16 |
| DE2220963A1 (en) | 1972-12-07 |