FR940633A - Electrical transformation device - Google Patents

Electrical transformation device

Info

Publication number
FR940633A
FR940633A FR940633DA FR940633A FR 940633 A FR940633 A FR 940633A FR 940633D A FR940633D A FR 940633DA FR 940633 A FR940633 A FR 940633A
Authority
FR
France
Prior art keywords
transformation device
electrical transformation
electrical
transformation
Prior art date
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
Application number
Other languages
French (fr)
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
AT&T Corp
Original Assignee
Western Electric Co Inc
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 by Western Electric Co Inc filed Critical Western Electric Co Inc
Application granted granted Critical
Publication of FR940633A publication Critical patent/FR940633A/en
Expired legal-status Critical Current

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
    • H01L21/67—Apparatus specially adapted for handling semiconductor or electric solid state devices during manufacture or treatment thereof; Apparatus specially adapted for handling wafers during manufacture or treatment of semiconductor or electric solid state devices or components ; Apparatus not specifically provided for elsewhere
    • H01L21/67005—Apparatus not specifically provided for elsewhere
    • H01L21/67011—Apparatus for manufacture or treatment
    • H01L21/67092—Apparatus for mechanical treatment
    • 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
    • H01L21/304—Mechanical treatment, e.g. grinding, polishing, cutting

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)
  • Finish Polishing, Edge Sharpening, And Grinding By Specific Grinding Devices (AREA)
  • Elimination Of Static Electricity (AREA)
FR940633D 1944-03-24 1946-08-27 Electrical transformation device Expired FR940633A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US528009A US2441590A (en) 1944-03-24 1944-03-24 Translating device

Publications (1)

Publication Number Publication Date
FR940633A true FR940633A (en) 1948-12-17

Family

ID=24103887

Family Applications (1)

Application Number Title Priority Date Filing Date
FR940633D Expired FR940633A (en) 1944-03-24 1946-08-27 Electrical transformation device

Country Status (4)

Country Link
US (1) US2441590A (en)
FR (1) FR940633A (en)
GB (1) GB599341A (en)
NL (1) NL73352C (en)

Families Citing this family (17)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2704818A (en) * 1947-04-24 1955-03-22 Gen Electric Asymmetrically conductive device
US2615965A (en) * 1948-07-24 1952-10-28 Sylvania Electric Prod Crystal amplifier device
US2597734A (en) * 1948-11-15 1952-05-20 Hazeltine Research Inc Electrical crystal contact device
NL152375C (en) * 1949-03-31
US2609427A (en) * 1949-05-31 1952-09-02 Rca Corp Three-electrode semiconductor device
NL154199C (en) * 1949-06-14
US2708255A (en) * 1949-06-18 1955-05-10 Albert C Nolte Minute metallic bodies
US2675509A (en) * 1949-07-26 1954-04-13 Rca Corp High-frequency response semiconductor device
DE936758C (en) * 1949-11-15 1955-12-22 Rudolf Dr-Ing Rost Crystal polyode
US2861228A (en) * 1953-05-29 1958-11-18 Motorola Inc Semi-conductor unit
US2829992A (en) * 1954-02-02 1958-04-08 Hughes Aircraft Co Fused junction semiconductor devices and method of making same
US3078559A (en) * 1959-04-13 1963-02-26 Sylvania Electric Prod Method for preparing semiconductor elements
LU38605A1 (en) * 1959-05-06
US3187403A (en) * 1962-04-24 1965-06-08 Burroughs Corp Method of making semiconductor circuit elements
US3120087A (en) * 1962-12-28 1964-02-04 Robert H Holloway Method of mounting metallographic samples
DK125217B (en) * 1970-02-23 1973-01-15 Struers Chem Labor Abrasive or polishing blank with associated sample holder for use in grinding or polishing for micro-examination purposes.
US4198788A (en) * 1978-07-28 1980-04-22 The United States Of America As Represented By The Administrator Of The National Aeronautics And Space Administration Method of forming a sharp edge on an optical device

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE283186C (en) *
US1102184A (en) * 1907-08-15 1914-06-30 Browne Apparatus Company Detector for wireless telegraphy.

Also Published As

Publication number Publication date
NL73352C (en) 1953-10-15
GB599341A (en) 1948-03-10
US2441590A (en) 1948-05-18

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