NL83718C - - Google Patents

Info

Publication number
NL83718C
NL83718C NL153851A NL153851A NL83718C NL 83718 C NL83718 C NL 83718C NL 153851 A NL153851 A NL 153851A NL 153851 A NL153851 A NL 153851A NL 83718 C NL83718 C NL 83718C
Authority
NL
Netherlands
Application number
NL153851A
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed filed Critical
Application granted granted Critical
Publication of NL83718C publication Critical patent/NL83718C/xx

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
    • H01L21/06—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 selenium or tellurium in uncombined form other than as impurities in semiconductor bodies of other materials
    • H01L21/08—Preparation of the foundation plate
    • 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
    • H01L21/06—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 selenium or tellurium in uncombined form other than as impurities in semiconductor bodies of other materials
    • 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)
  • Physics & Mathematics (AREA)
  • Condensed Matter Physics & Semiconductors (AREA)
  • General Physics & Mathematics (AREA)
  • Computer Hardware Design (AREA)
  • Manufacturing & Machinery (AREA)
  • Ceramic Engineering (AREA)
  • Thyristors (AREA)
  • Battery Electrode And Active Subsutance (AREA)
NL153851A 1949-05-30 1950-05-30 NL83718C (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE1949P0044276 DE968966C (en) 1949-05-30 1949-05-30 Dry rectifier, in particular selenium rectifier, and method for its manufacture

Publications (1)

Publication Number Publication Date
NL83718C true NL83718C (en) 1956-08-15

Family

ID=7380206

Family Applications (2)

Application Number Title Priority Date Filing Date
NL666603200A NL153851B (en) 1949-05-30 PROCESS FOR THE PREPARATION OF METHACRYLIC ACID FROM ALPHA-HYDROXYISOBUTIC ACID.
NL153851A NL83718C (en) 1949-05-30 1950-05-30

Family Applications Before (1)

Application Number Title Priority Date Filing Date
NL666603200A NL153851B (en) 1949-05-30 PROCESS FOR THE PREPARATION OF METHACRYLIC ACID FROM ALPHA-HYDROXYISOBUTIC ACID.

Country Status (4)

Country Link
CH (1) CH282526A (en)
DE (1) DE968966C (en)
GB (1) GB716723A (en)
NL (2) NL83718C (en)

Families Citing this family (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE971275C (en) * 1951-04-23 1958-12-31 Siemens Ag Process for the production of dry rectifiers, film-like structure
DE1118887B (en) * 1959-04-13 1961-12-07 Licentia Gmbh Process for the production of selenium dry rectifiers
DE1160108B (en) * 1960-09-14 1963-12-27 Langbein Pfanhauser Werke Ag Process for the production of selenium dry rectifiers on a smooth carrier electrode
DE1133471B (en) * 1961-08-30 1962-07-19 Licentia Gmbh Process for the production of selenium dry rectifiers
DE1223955B (en) * 1964-08-05 1966-09-01 Siemens Ag Process for the production of high-blocking selenium rectifier tablets with a small diameter

Family Cites Families (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
AT131780B (en) * 1930-08-07 1933-02-10 Erwin Falkenthal Photoelectric cell and method of making the same.
FR726621A (en) * 1930-12-03 1932-06-01 Philips Nv Dry plate rectifier
NL49864C (en) * 1935-06-22
DE720445C (en) * 1936-06-13 1942-05-15 Aeg Process for the production of dry plate rectifiers with a light metal as the base electrode material and dry plate rectifiers produced according to this process
DE742935C (en) * 1939-07-01 1943-12-15 Siemens Ag Electrical semiconductor made from selenium, especially for dry rectifiers
US2412692A (en) * 1941-06-25 1946-12-17 B L Electric Mfg Company Method of forming selenium coated base plates
DE857526C (en) * 1942-08-29 1952-12-01 Telefunken Gmbh Dry rectifier for circuits for spark extinction, especially with pendulum inverters

Also Published As

Publication number Publication date
NL153851B (en)
DE968966C (en) 1958-04-10
CH282526A (en) 1952-04-30
GB716723A (en) 1954-10-13

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