BE552391A - - Google Patents
Info
- Publication number
- BE552391A BE552391A BE552391DA BE552391A BE 552391 A BE552391 A BE 552391A BE 552391D A BE552391D A BE 552391DA BE 552391 A BE552391 A BE 552391A
- Authority
- BE
- Belgium
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 at least one potential-jump barrier or surface barrier, e.g. PN junction, depletion layer or carrier concentration layer
- H01L21/18—Manufacture or treatment of semiconductor devices or of parts thereof the devices having at least one potential-jump barrier or surface barrier, e.g. PN junction, depletion layer or carrier concentration layer the devices having semiconductor bodies comprising elements of Group IV of the Periodic System 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
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- C—CHEMISTRY; METALLURGY
- C30—CRYSTAL GROWTH
- C30B—SINGLE-CRYSTAL GROWTH; UNIDIRECTIONAL SOLIDIFICATION OF EUTECTIC MATERIAL OR UNIDIRECTIONAL DEMIXING OF EUTECTOID MATERIAL; REFINING BY ZONE-MELTING OF MATERIAL; PRODUCTION OF A HOMOGENEOUS POLYCRYSTALLINE MATERIAL WITH DEFINED STRUCTURE; SINGLE CRYSTALS OR HOMOGENEOUS POLYCRYSTALLINE MATERIAL WITH DEFINED STRUCTURE; AFTER-TREATMENT OF SINGLE CRYSTALS OR A HOMOGENEOUS POLYCRYSTALLINE MATERIAL WITH DEFINED STRUCTURE; APPARATUS THEREFOR
- C30B13/00—Single-crystal growth by zone-melting; Refining by zone-melting
- C30B13/06—Single-crystal growth by zone-melting; Refining by zone-melting the molten zone not extending over the whole cross-section
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01L—SEMICONDUCTOR DEVICES NOT COVERED BY CLASS H10
- H01L29/00—Semiconductor devices adapted for rectifying, amplifying, oscillating or switching, or capacitors or resistors with at least one potential-jump barrier or surface barrier, e.g. PN junction depletion layer or carrier concentration layer; Details of semiconductor bodies or of electrodes thereof ; Multistep manufacturing processes therefor
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DES29621A DE1031893B (de) | 1952-08-01 | 1952-08-01 | Verfahren zur aeusseren Formgebung von Halbleiteranordnungen, insbesondere fuer Gleichrichter- und Verstaerkerzwecke mit Halbleitern aus Germanium oder Silizium |
| GB3142656A GB831304A (en) | 1952-08-01 | 1956-10-16 | Improvements in or relating to refining processes for semiconductor and other materials |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| BE552391A true BE552391A (de) |
Family
ID=32394886
Family Applications (3)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| BE552391D BE552391A (de) | 1952-08-01 | ||
| BE561652D BE561652A (de) | 1952-08-01 | ||
| BE521845D BE521845A (de) | 1952-08-01 |
Family Applications After (2)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| BE561652D BE561652A (de) | 1952-08-01 | ||
| BE521845D BE521845A (de) | 1952-08-01 |
Country Status (6)
| Country | Link |
|---|---|
| US (1) | US2914397A (de) |
| BE (3) | BE521845A (de) |
| CH (2) | CH320916A (de) |
| FR (3) | FR1081736A (de) |
| GB (2) | GB721026A (de) |
| NL (2) | NL96829C (de) |
Families Citing this family (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE977180C (de) * | 1955-03-05 | 1965-06-24 | Siemens Ag | Verfahren zum elektrolytischen oertlich begrenzten Abtragen wie Bohren und Zerteilen halbleitenden kristallinen Materials |
| DE1143273B (de) * | 1958-09-04 | 1963-02-07 | Philips Nv | Verfahren zur Herstellung einer Halbleiteranordnung, z. B. eines Transistors oder einer Kristalldiode |
| DE1104617B (de) * | 1959-06-18 | 1961-04-13 | Siemens Ag | Verfahren zum elektrolytischen AEtzen einer Halbleiteranordnung mit einem Halbleiterkoerper aus im wesentlichen einkristallinem Halbleitermaterial |
| US3233977A (en) * | 1961-05-31 | 1966-02-08 | Westinghouse Electric Corp | Furnace with means for adjusting a crucible in growing crystals |
| DE1243641B (de) * | 1962-12-12 | 1967-07-06 | Siemens Ag | Verfahren zur Herstellung von Halbleiterstaeben durch Ziehen aus der Schmelze |
| US4039283A (en) * | 1973-04-18 | 1977-08-02 | Siemens Aktiengesellschaft | Apparatus for producing a controlled radial path of resistance in a semiconductor monocrystalline rod |
Family Cites Families (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US2125173A (en) * | 1932-07-29 | 1938-07-26 | Union Carbide & Carbon Corp | Apparatus for treating the defective surface metal of billets or the like |
| US2477411A (en) * | 1944-06-10 | 1949-07-26 | Linde Air Prod Co | Metal surface conditioning apparatus and process |
| BE510303A (de) * | 1951-11-16 | |||
| DE1061527B (de) * | 1953-02-14 | 1959-07-16 | Siemens Ag | Verfahren zum zonenweisen Umschmelzen von Staeben und anderen langgestreckten Werkstuecken |
-
0
- NL NLAANVRAGE7313750,A patent/NL180311B/xx unknown
- BE BE552391D patent/BE552391A/xx unknown
- BE BE561652D patent/BE561652A/xx unknown
- BE BE521845D patent/BE521845A/xx unknown
- NL NL96829D patent/NL96829C/xx active
-
1953
- 1953-07-10 GB GB19225/53A patent/GB721026A/en not_active Expired
- 1953-07-27 CH CH320916D patent/CH320916A/de unknown
- 1953-07-30 FR FR1081736D patent/FR1081736A/fr not_active Expired
-
1955
- 1955-11-08 GB GB31896/55A patent/GB831303A/en not_active Expired
-
1956
- 1956-10-27 CH CH360207D patent/CH360207A/de unknown
- 1956-11-07 FR FR71626D patent/FR71626E/fr not_active Expired
-
1957
- 1957-10-07 US US688610A patent/US2914397A/en not_active Expired - Lifetime
- 1957-10-15 FR FR72391D patent/FR72391E/fr not_active Expired
Also Published As
| Publication number | Publication date |
|---|---|
| NL180311B (nl) | |
| GB721026A (en) | 1954-12-29 |
| BE561652A (de) | |
| FR72391E (fr) | 1960-03-31 |
| NL96829C (de) | |
| FR1081736A (fr) | 1954-12-22 |
| BE521845A (de) | |
| CH360207A (de) | 1962-02-15 |
| US2914397A (en) | 1959-11-24 |
| CH320916A (de) | 1957-04-15 |
| FR71626E (fr) | 1960-01-13 |
| GB831303A (en) | 1960-03-30 |