ES487295A1 - Procedimiento para la fabricacion de un dispositivo semicon-ductor - Google Patents

Procedimiento para la fabricacion de un dispositivo semicon-ductor

Info

Publication number
ES487295A1
ES487295A1 ES487295A ES487295A ES487295A1 ES 487295 A1 ES487295 A1 ES 487295A1 ES 487295 A ES487295 A ES 487295A ES 487295 A ES487295 A ES 487295A ES 487295 A1 ES487295 A1 ES 487295A1
Authority
ES
Spain
Prior art keywords
procedure
manufacture
semicon
polycrystalline silicon
ductor device
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
ES487295A
Other languages
English (en)
Spanish (es)
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 Inc
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
Publication of ES487295A1 publication Critical patent/ES487295A1/es
Expired legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04M—TELEPHONIC COMMUNICATION
    • H04M19/00—Current supply arrangements for telephone systems
    • H04M19/001—Current supply source at the exchanger providing current to substations
    • H04M19/008—Using DC/DC converters
    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02M—APPARATUS FOR CONVERSION BETWEEN AC AND AC, BETWEEN AC AND DC, OR BETWEEN DC AND DC, AND FOR USE WITH MAINS OR SIMILAR POWER SUPPLY SYSTEMS; CONVERSION OF DC OR AC INPUT POWER INTO SURGE OUTPUT POWER; CONTROL OR REGULATION THEREOF
    • H02M7/00—Conversion of AC power input into DC power output; Conversion of DC power input into AC power output
    • H02M7/02—Conversion of AC power input into DC power output without possibility of reversal
    • H02M7/04—Conversion of AC power input into DC power output without possibility of reversal by static converters
    • H02M7/05—Capacitor coupled rectifiers

Landscapes

  • Engineering & Computer Science (AREA)
  • Signal Processing (AREA)
  • Rectifiers (AREA)
  • Direct Current Feeding And Distribution (AREA)
  • Control Of Electrical Variables (AREA)
  • Devices For Supply Of Signal Current (AREA)
  • Dc-Dc Converters (AREA)
ES487295A 1978-12-29 1979-12-27 Procedimiento para la fabricacion de un dispositivo semicon-ductor Expired ES487295A1 (es)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US05/974,377 US4245294A (en) 1978-12-29 1978-12-29 Power supply providing constant power output

Publications (1)

Publication Number Publication Date
ES487295A1 true ES487295A1 (es) 1980-08-01

Family

ID=25521960

Family Applications (1)

Application Number Title Priority Date Filing Date
ES487295A Expired ES487295A1 (es) 1978-12-29 1979-12-27 Procedimiento para la fabricacion de un dispositivo semicon-ductor

Country Status (6)

Country Link
US (1) US4245294A (enExample)
EP (1) EP0013102B1 (enExample)
JP (1) JPS55123707A (enExample)
CA (1) CA1131700A (enExample)
DE (1) DE2964872D1 (enExample)
ES (1) ES487295A1 (enExample)

Families Citing this family (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4408269A (en) * 1982-06-18 1983-10-04 Zenith Radio Corporation Balanced power supply with polarized capacitors
US4600982A (en) * 1984-02-22 1986-07-15 Rolm Corporation Low power consuming AC to DC converter
US4748551A (en) * 1986-12-22 1988-05-31 Peroxidation Systems, Inc. Constant current supply for a varying resistance
US4901217A (en) * 1987-12-01 1990-02-13 Apple Computer, Inc. Digital input power supply and method
US5191261A (en) * 1991-06-11 1993-03-02 Purus, Inc. Switching power supply for high-voltage flash lamps
US5416416A (en) * 1992-02-24 1995-05-16 Bisher; Roger C. Method and apparatus for testing an auxiliary power system
US5448155A (en) * 1992-10-23 1995-09-05 International Power Devices, Inc. Regulated power supply using multiple load sensing
BR0016671A (pt) * 1999-12-22 2002-10-29 Adc Telecomunications Isarael Circuito de alimentação de linha, sistema para alimentar corrente de cc a uma pluralidade de linhas de telefonia de um suprimento de potência de ca, método para prover corrente de cc para uma linha de telefonia, e, sistema de telefonia
US11565104B1 (en) * 2021-08-09 2023-01-31 Yossi Gross Magnetically-driven reciprocating intravascular blood pump

Family Cites Families (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3001120A (en) * 1957-10-16 1961-09-19 Baldwin Piano Co Power supplies
US3304440A (en) * 1963-12-26 1967-02-14 Bell Telephone Labor Inc Pulse shaping circuit
US3286185A (en) * 1965-10-22 1966-11-15 Combustion Eng Flame detector system responsive to spike produced by townsend avalanche of glow discharge tube
DE1563121A1 (de) * 1966-07-05 1970-01-29 Werner Ansorge Gleichrichterschaltungen mit Zenerdioden
JPS4943127A (enExample) * 1972-09-01 1974-04-23
JPS51127343A (en) * 1975-04-28 1976-11-06 Hitachi Ltd Controlling transducer
US4131939A (en) * 1977-03-30 1978-12-26 Day Ralph D Constant current power supply

Also Published As

Publication number Publication date
US4245294A (en) 1981-01-13
EP0013102A1 (en) 1980-07-09
CA1131700A (en) 1982-09-14
DE2964872D1 (en) 1983-03-24
JPS55123707A (en) 1980-09-24
JPH0376114B2 (enExample) 1991-12-04
EP0013102B1 (en) 1983-02-16

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