GB864621A - A method of electrolytically etching the surface of an alloy-type germanium junctiontransistor - Google Patents

A method of electrolytically etching the surface of an alloy-type germanium junctiontransistor

Info

Publication number
GB864621A
GB864621A GB27341/57A GB2734157A GB864621A GB 864621 A GB864621 A GB 864621A GB 27341/57 A GB27341/57 A GB 27341/57A GB 2734157 A GB2734157 A GB 2734157A GB 864621 A GB864621 A GB 864621A
Authority
GB
United Kingdom
Prior art keywords
lead
transistor
germanium
alloy
aug
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
GB27341/57A
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.)
Sony Corp
Original Assignee
Sony Corp
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 Sony Corp filed Critical Sony Corp
Publication of GB864621A publication Critical patent/GB864621A/en
Expired legal-status Critical Current

Links

Classifications

    • C—CHEMISTRY; METALLURGY
    • C25—ELECTROLYTIC OR ELECTROPHORETIC PROCESSES; APPARATUS THEREFOR
    • C25F—PROCESSES FOR THE ELECTROLYTIC REMOVAL OF MATERIALS FROM OBJECTS; APPARATUS THEREFOR
    • C25F3/00—Electrolytic etching or polishing
    • C25F3/02—Etching
    • C25F3/12—Etching of semiconducting materials
    • H—ELECTRICITY
    • H10—SEMICONDUCTOR DEVICES; ELECTRIC SOLID-STATE DEVICES NOT OTHERWISE PROVIDED FOR
    • H10P—GENERIC PROCESSES OR APPARATUS FOR THE MANUFACTURE OR TREATMENT OF DEVICES COVERED BY CLASS H10
    • H10P50/00—Etching of wafers, substrates or parts of devices
    • H10P50/60—Wet etching
    • H10P50/61—Electrolytic etching
    • H10P50/613—Electrolytic etching of Group IV materials

Landscapes

  • Chemical & Material Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Electrochemistry (AREA)
  • Materials Engineering (AREA)
  • Metallurgy (AREA)
  • Organic Chemistry (AREA)
  • Weting (AREA)
  • Bipolar Transistors (AREA)
  • ing And Chemical Polishing (AREA)
GB27341/57A 1956-08-31 1957-08-30 A method of electrolytically etching the surface of an alloy-type germanium junctiontransistor Expired GB864621A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP2257556 1956-08-31

Publications (1)

Publication Number Publication Date
GB864621A true GB864621A (en) 1961-04-06

Family

ID=12086654

Family Applications (1)

Application Number Title Priority Date Filing Date
GB27341/57A Expired GB864621A (en) 1956-08-31 1957-08-30 A method of electrolytically etching the surface of an alloy-type germanium junctiontransistor

Country Status (4)

Country Link
US (1) US2890159A (enExample)
DE (1) DE1194064B (enExample)
GB (1) GB864621A (enExample)
NL (2) NL111503C (enExample)

Families Citing this family (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
NL220082A (enExample) * 1956-08-31
US3170844A (en) * 1960-09-19 1965-02-23 Nicoll David Control rod drive mechanism
US3143448A (en) * 1962-02-21 1964-08-04 Mette Herbert Photomagnetoelectric cell and method
US3505132A (en) * 1967-11-16 1970-04-07 Rca Corp Method of etching semiconductive devices having lead-containing elements
JPS51149784A (en) * 1975-06-17 1976-12-22 Matsushita Electric Ind Co Ltd Solid state light emission device
US4482445A (en) * 1982-02-22 1984-11-13 The Boeing Company Methods and apparatus for electrochemically deburring perforate metallic clad dielectric laminates

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2783197A (en) * 1952-01-25 1957-02-26 Gen Electric Method of making broad area semiconductor devices
DE869718C (de) * 1951-05-06 1953-03-05 Licentia Gmbh Verfahren zum elektrolytischen AEtzen und Polieren von Germaniumkristallen
BE528756A (enExample) * 1953-05-11
NL89952C (enExample) * 1953-10-16 1900-01-01
US2802159A (en) * 1953-10-20 1957-08-06 Hughes Aircraft Co Junction-type semiconductor devices

Also Published As

Publication number Publication date
DE1194064B (de) 1965-06-03
US2890159A (en) 1959-06-09
NL220119A (enExample)
NL111503C (enExample)

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