IE35540B1 - Improvements in or relating to methods of preparing semiconductor materials - Google Patents
Improvements in or relating to methods of preparing semiconductor materialsInfo
- Publication number
- IE35540B1 IE35540B1 IE945/71A IE94571A IE35540B1 IE 35540 B1 IE35540 B1 IE 35540B1 IE 945/71 A IE945/71 A IE 945/71A IE 94571 A IE94571 A IE 94571A IE 35540 B1 IE35540 B1 IE 35540B1
- Authority
- IE
- Ireland
- Prior art keywords
- region
- slice
- conductivity
- block
- implanted
- Prior art date
Links
- 239000000463 material Substances 0.000 title abstract 4
- 238000000034 method Methods 0.000 title abstract 3
- 239000004065 semiconductor Substances 0.000 title abstract 2
- 150000002500 ions Chemical class 0.000 abstract 3
- 238000000137 annealing Methods 0.000 abstract 1
- 230000015572 biosynthetic process Effects 0.000 abstract 1
- 238000000866 electrolytic etching Methods 0.000 abstract 1
- 238000010438 heat treatment Methods 0.000 abstract 1
- 239000007943 implant Substances 0.000 abstract 1
- 238000005468 ion implantation Methods 0.000 abstract 1
Classifications
-
- 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
- H01L21/3063—Electrolytic etching
-
- 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
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
- Y10S—TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10S438/00—Semiconductor device manufacturing: process
- Y10S438/914—Doping
- Y10S438/924—To facilitate selective etching
Landscapes
- Engineering & Computer Science (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)
- Drying Of Semiconductors (AREA)
- Bipolar Transistors (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US5997770A | 1970-07-31 | 1970-07-31 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| IE35540L IE35540L (en) | 1972-01-31 |
| IE35540B1 true IE35540B1 (en) | 1976-03-18 |
Family
ID=22026542
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| IE945/71A IE35540B1 (en) | 1970-07-31 | 1971-07-26 | Improvements in or relating to methods of preparing semiconductor materials |
Country Status (11)
| Country | Link |
|---|---|
| US (1) | US3642593A (enExample) |
| JP (1) | JPS517980B1 (enExample) |
| AU (1) | AU432312B2 (enExample) |
| BE (1) | BE770538A (enExample) |
| CH (1) | CH530093A (enExample) |
| ES (1) | ES394152A1 (enExample) |
| FR (1) | FR2099721B1 (enExample) |
| GB (1) | GB1307030A (enExample) |
| IE (1) | IE35540B1 (enExample) |
| NL (1) | NL152705B (enExample) |
| SE (1) | SE362015B (enExample) |
Families Citing this family (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4554059A (en) * | 1983-11-04 | 1985-11-19 | Harris Corporation | Electrochemical dielectric isolation technique |
| DE3889830D1 (de) * | 1987-09-30 | 1994-07-07 | Siemens Ag | Verfahren zum Ätzen von (100) Silizium. |
| US5136344A (en) * | 1988-11-02 | 1992-08-04 | Universal Energy Systems, Inc. | High energy ion implanted silicon on insulator structure |
| US5702586A (en) * | 1994-06-28 | 1997-12-30 | The United States Of America As Represented By The Secretary Of The Navy | Polishing diamond surface |
Family Cites Families (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| USB421061I5 (enExample) * | 1964-12-24 | |||
| NL6703014A (enExample) * | 1967-02-25 | 1968-08-26 | ||
| US3523042A (en) * | 1967-12-26 | 1970-08-04 | Hughes Aircraft Co | Method of making bipolar transistor devices |
-
1970
- 1970-07-31 US US59977A patent/US3642593A/en not_active Expired - Lifetime
-
1971
- 1971-07-23 SE SE09510/71A patent/SE362015B/xx unknown
- 1971-07-26 CH CH1098971A patent/CH530093A/de not_active IP Right Cessation
- 1971-07-26 IE IE945/71A patent/IE35540B1/xx unknown
- 1971-07-26 AU AU31653/71A patent/AU432312B2/en not_active Expired
- 1971-07-27 ES ES394152A patent/ES394152A1/es not_active Expired
- 1971-07-27 BE BE770538A patent/BE770538A/xx unknown
- 1971-07-29 GB GB3572471A patent/GB1307030A/en not_active Expired
- 1971-07-30 JP JP46056840A patent/JPS517980B1/ja active Pending
- 1971-07-30 FR FR7128158A patent/FR2099721B1/fr not_active Expired
- 1971-07-30 NL NL717110572A patent/NL152705B/xx not_active IP Right Cessation
Also Published As
| Publication number | Publication date |
|---|---|
| US3642593A (en) | 1972-02-15 |
| IE35540L (en) | 1972-01-31 |
| JPS517980B1 (enExample) | 1976-03-12 |
| BE770538A (fr) | 1971-12-01 |
| ES394152A1 (es) | 1974-04-01 |
| NL152705B (nl) | 1977-03-15 |
| SE362015B (enExample) | 1973-11-26 |
| NL7110572A (enExample) | 1972-02-02 |
| FR2099721A1 (enExample) | 1972-03-17 |
| GB1307030A (en) | 1973-02-14 |
| CH530093A (de) | 1972-10-31 |
| DE2137423B2 (de) | 1973-10-31 |
| FR2099721B1 (enExample) | 1977-08-05 |
| AU3165371A (en) | 1973-02-01 |
| AU432312B2 (en) | 1973-02-22 |
| DE2137423A1 (de) | 1972-02-03 |
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