NL133499C - - Google Patents
Info
- Publication number
- NL133499C NL133499C NL133499DA NL133499C NL 133499 C NL133499 C NL 133499C NL 133499D A NL133499D A NL 133499DA NL 133499 C NL133499 C NL 133499C
- Authority
- NL
- Netherlands
Links
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
-
- C—CHEMISTRY; METALLURGY
- C25—ELECTROLYTIC OR ELECTROPHORETIC PROCESSES; APPARATUS THEREFOR
- C25F—PROCESSES FOR THE ELECTROLYTIC REMOVAL OF MATERIALS FROM OBJECTS; APPARATUS THEREFOR
- C25F3/00—Electrolytic etching or polishing
- C25F3/02—Etching
- C25F3/12—Etching of semiconducting materials
-
- 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
- H01L21/30608—Anisotropic liquid etching
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01L—SEMICONDUCTOR DEVICES NOT COVERED BY CLASS H10
- H01L29/00—Semiconductor devices specially adapted for rectifying, amplifying, oscillating or switching and having potential barriers; Capacitors or resistors having potential barriers, e.g. a PN-junction depletion layer or carrier concentration layer; Details of semiconductor bodies or of electrodes thereof ; Multistep manufacturing processes therefor
Landscapes
- Engineering & Computer Science (AREA)
- Microelectronics & Electronic Packaging (AREA)
- Power Engineering (AREA)
- Chemical & Material Sciences (AREA)
- Physics & Mathematics (AREA)
- Condensed Matter Physics & Semiconductors (AREA)
- General Physics & Mathematics (AREA)
- Computer Hardware Design (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Manufacturing & Machinery (AREA)
- Ceramic Engineering (AREA)
- Electrochemistry (AREA)
- Materials Engineering (AREA)
- Metallurgy (AREA)
- Organic Chemistry (AREA)
- General Chemical & Material Sciences (AREA)
- Testing Of Individual Semiconductor Devices (AREA)
- Testing Or Measuring Of Semiconductors Or The Like (AREA)
- Weting (AREA)
- ing And Chemical Polishing (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2736960 | 1960-05-18 |
Publications (1)
Publication Number | Publication Date |
---|---|
NL133499C true NL133499C (de) |
Family
ID=12219118
Family Applications (2)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
NL133499D NL133499C (de) | 1960-05-18 | ||
NL265468D NL265468A (de) | 1960-05-18 |
Family Applications After (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
NL265468D NL265468A (de) | 1960-05-18 |
Country Status (4)
Country | Link |
---|---|
US (1) | US3250693A (de) |
DE (2) | DE1261965B (de) |
GB (1) | GB932976A (de) |
NL (2) | NL265468A (de) |
Families Citing this family (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3377263A (en) * | 1964-09-14 | 1968-04-09 | Philco Ford Corp | Electrical system for etching a tunnel diode |
US3408275A (en) * | 1966-12-09 | 1968-10-29 | Siemens Ag | Tunnel diodes wherein the height of the reduced cross section of the mesa is minimized and process of making |
US3697873A (en) * | 1969-05-28 | 1972-10-10 | Westinghouse Electric Corp | Method for determining excess carrier lifetime in semiconductor devices |
JPS4828958B1 (de) * | 1969-07-22 | 1973-09-06 | ||
US4028207A (en) * | 1975-05-16 | 1977-06-07 | The Post Office | Measuring arrangements |
US4462871A (en) * | 1982-04-06 | 1984-07-31 | The United States Of America As Represented By The Administrator Of The National Aeronautics And Space Administration | Epitaxial thinning process |
Family Cites Families (15)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US2505370A (en) * | 1947-11-08 | 1950-04-25 | Bell Telephone Labor Inc | Piezoelectric crystal unit |
US2886496A (en) * | 1950-03-29 | 1959-05-12 | Leeds & Northrup Co | Method of determining concentration of dissolved substance |
US2765765A (en) * | 1952-09-03 | 1956-10-09 | Robert R Bigler | Apparatus for the manufacture of piezoelectric crystals |
GB761795A (en) * | 1954-03-09 | 1956-11-21 | Gen Electric Co Ltd | Improvements in or relating to the manufacture of semi-conductor devices |
US3023153A (en) * | 1954-06-01 | 1962-02-27 | Rca Corp | Method of etching semi-conductor bodies |
US2940024A (en) * | 1954-06-01 | 1960-06-07 | Rca Corp | Semi-conductor rectifiers |
US2850444A (en) * | 1954-11-01 | 1958-09-02 | Rca Corp | Pulse method of etching semiconductor junction devices |
US3075902A (en) * | 1956-03-30 | 1963-01-29 | Philco Corp | Jet-electrolytic etching and measuring method |
NL210117A (de) * | 1956-08-24 | |||
US2979444A (en) * | 1957-07-16 | 1961-04-11 | Philco Corp | Electrochemical method and apparatus therefor |
US2975342A (en) * | 1957-08-16 | 1961-03-14 | Research Corp | Narrow base planar junction punch-thru diode |
US3033714A (en) * | 1957-09-28 | 1962-05-08 | Sony Corp | Diode type semiconductor device |
US2963411A (en) * | 1957-12-24 | 1960-12-06 | Ibm | Process for removing shorts from p-n junctions |
US3117899A (en) * | 1960-07-18 | 1964-01-14 | Westinghouse Electric Corp | Process for making semiconductor devices |
US3110849A (en) * | 1960-10-03 | 1963-11-12 | Gen Electric | Tunnel diode device |
-
0
- NL NL133499D patent/NL133499C/xx active
- DE DENDAT1261965D patent/DE1261965C2/de not_active Expired
- NL NL265468D patent/NL265468A/xx unknown
-
1961
- 1961-06-05 US US114781A patent/US3250693A/en not_active Expired - Lifetime
- 1961-06-06 GB GB20461/61A patent/GB932976A/en not_active Expired
- 1961-06-08 DE DES74262A patent/DE1261965B/de active Pending
Also Published As
Publication number | Publication date |
---|---|
NL265468A (de) | |
GB932976A (en) | 1963-07-31 |
DE1261965C2 (de) | 1973-11-22 |
US3250693A (en) | 1966-05-10 |
DE1261965B (de) | 1968-02-29 |