FR647458A - Perfectionnement aux redresseurs à contact - Google Patents

Perfectionnement aux redresseurs à contact

Info

Publication number
FR647458A
FR647458A FR647458DA FR647458A FR 647458 A FR647458 A FR 647458A FR 647458D A FR647458D A FR 647458DA FR 647458 A FR647458 A FR 647458A
Authority
FR
France
Prior art keywords
further training
contact rectifiers
rectifiers
contact
training
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
English (en)
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.)
Westinghouse Electric Corp
Original Assignee
Westinghouse Electric Corp
Westinghouse Electric and Manufacturing Co
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 Westinghouse Electric Corp, Westinghouse Electric and Manufacturing Co filed Critical Westinghouse Electric Corp
Application granted granted Critical
Publication of FR647458A publication Critical patent/FR647458A/fr
Expired legal-status Critical Current

Links

Classifications

    • HELECTRICITY
    • H10SEMICONDUCTOR DEVICES; ELECTRIC SOLID-STATE DEVICES NOT OTHERWISE PROVIDED FOR
    • H10DINORGANIC ELECTRIC SEMICONDUCTOR DEVICES
    • H10D48/00Individual devices not covered by groups H10D1/00 - H10D44/00
    • H10D48/01Manufacture or treatment
    • H10D48/07Manufacture or treatment of devices having bodies comprising cuprous oxide [Cu2O] or cuprous iodide [CuI]
    • H10D48/071Preparation of the foundation plate, preliminary treatment oxidation of the foundation plate or reduction treatment
    • H10D48/075Reduction of the copper oxide or treatment of the oxide layer
    • HELECTRICITY
    • H10SEMICONDUCTOR DEVICES; ELECTRIC SOLID-STATE DEVICES NOT OTHERWISE PROVIDED FOR
    • H10PGENERIC PROCESSES OR APPARATUS FOR THE MANUFACTURE OR TREATMENT OF DEVICES COVERED BY CLASS H10
    • H10P14/00Formation of materials, e.g. in the shape of layers or pillars
    • H10P14/20Formation of materials, e.g. in the shape of layers or pillars of semiconductor materials
    • H10P14/203Formation of materials, e.g. in the shape of layers or pillars of semiconductor materials using transformation of metal, e.g. oxidation or nitridation
    • HELECTRICITY
    • H10SEMICONDUCTOR DEVICES; ELECTRIC SOLID-STATE DEVICES NOT OTHERWISE PROVIDED FOR
    • H10PGENERIC PROCESSES OR APPARATUS FOR THE MANUFACTURE OR TREATMENT OF DEVICES COVERED BY CLASS H10
    • H10P14/00Formation of materials, e.g. in the shape of layers or pillars
    • H10P14/20Formation of materials, e.g. in the shape of layers or pillars of semiconductor materials
    • H10P14/34Deposited materials, e.g. layers
    • H10P14/3402Deposited materials, e.g. layers characterised by the chemical composition
    • H10P14/3434Deposited materials, e.g. layers characterised by the chemical composition being oxide semiconductor materials
FR647458D 1927-01-19 1928-01-18 Perfectionnement aux redresseurs à contact Expired FR647458A (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US162078A US1749549A (en) 1927-01-19 1927-01-19 Rectifier

Publications (1)

Publication Number Publication Date
FR647458A true FR647458A (fr) 1928-11-24

Family

ID=22584071

Family Applications (1)

Application Number Title Priority Date Filing Date
FR647458D Expired FR647458A (fr) 1927-01-19 1928-01-18 Perfectionnement aux redresseurs à contact

Country Status (4)

Country Link
US (1) US1749549A (fr)
DE (1) DE505639C (fr)
FR (1) FR647458A (fr)
GB (1) GB283901A (fr)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE851526C (de) * 1948-10-01 1952-10-06 Siemens Ag Verfahren zur Herstellung von Kupferoxydul-Trockengleichrichtern
US5104494A (en) * 1991-07-02 1992-04-14 Rockwell International Corp. Method of restoring solderability

Also Published As

Publication number Publication date
US1749549A (en) 1930-03-04
GB283901A (en) 1928-03-15
DE505639C (de) 1930-08-21

Similar Documents

Publication Publication Date Title
FR647458A (fr) Perfectionnement aux redresseurs à contact
FR670524A (fr) Perfectionnement aux robinets à boisseau-rotatif
FR640946A (fr) Perfectionnement aux rectificateurs électriques à contact
FR639205A (fr) Perfectionnement aux compresseurs-mélangeurs
FR641179A (fr) Clé à écrous
FR653239A (fr) Perfectionnement aux presses à raquettes
BE349326A (fr) Perfectionnement aux presses à raquettes
FR648172A (fr) Perfectionnements aux transporteurs-élévateurs
FR657553A (fr) Perfectionnement aux vis transporteuses
FR633937A (fr) Perfectionnement aux moulins
FR668242A (fr) Perfectionnement à la métallurgie
FR648352A (fr) Perfectionnement aux compresseurs
FR630902A (fr) Perfectionnement aux métiers à tisser électro-magnétiques
FR652198A (fr) Perfectionnements aux métiers à retordre
FR644192A (fr) Perfectionnement aux accumulateurs
FR638007A (fr) Perfectionnement aux redresseurs électrolytiques
FR659728A (fr) Perfectionnement aux ventilateurs
FR655115A (fr) Perfectionnement aux duplicateurs
FR34055E (fr) Perfectionnement aux fauteuils combinés
FR641304A (fr) Perfectionnements aux raquettes
BE351303A (fr) Perfectionnements aux raquettes
FR652447A (fr) Perfectionnements aux ornithoptères
FR638018A (fr) Perfectionnement aux transporteurs à câbles
FR34083E (fr) Perfectionnement aux carburateurs
FR631945A (fr) Perfectionnement aux aspirateurs à dépression