FR2145352A1 - Transistor mfr - with fewer mask alignment steps - Google Patents

Transistor mfr - with fewer mask alignment steps

Info

Publication number
FR2145352A1
FR2145352A1 FR7124909A FR7124909A FR2145352A1 FR 2145352 A1 FR2145352 A1 FR 2145352A1 FR 7124909 A FR7124909 A FR 7124909A FR 7124909 A FR7124909 A FR 7124909A FR 2145352 A1 FR2145352 A1 FR 2145352A1
Authority
FR
France
Prior art keywords
layer
transistor
emitter
base
metallic contacts
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.)
Withdrawn
Application number
FR7124909A
Other languages
English (en)
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.)
Motorola Solutions Inc
Original Assignee
Motorola 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 Motorola Inc filed Critical Motorola Inc
Publication of FR2145352A1 publication Critical patent/FR2145352A1/fr
Withdrawn legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01L—SEMICONDUCTOR DEVICES NOT COVERED BY CLASS H10
    • H01L23/00—Details of semiconductor or other solid state devices
    • H01L23/28—Encapsulations, e.g. encapsulating layers, coatings, e.g. for protection
    • H01L23/29—Encapsulations, e.g. encapsulating layers, coatings, e.g. for protection characterised by the material, e.g. carbon
    • 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
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01L—SEMICONDUCTOR DEVICES NOT COVERED BY CLASS H10
    • H01L23/00—Details of semiconductor or other solid state devices
    • H01L23/48—Arrangements for conducting electric current to or from the solid state body in operation, e.g. leads, terminal arrangements ; Selection of materials therefor
    • H01L23/482—Arrangements for conducting electric current to or from the solid state body in operation, e.g. leads, terminal arrangements ; Selection of materials therefor consisting of lead-in layers inseparably applied to the semiconductor body (electrodes)
    • H01L23/485—Arrangements for conducting electric current to or from the solid state body in operation, e.g. leads, terminal arrangements ; Selection of materials therefor consisting of lead-in layers inseparably applied to the semiconductor body (electrodes) consisting of layered constructions comprising conductive layers and insulating layers, e.g. planar contacts
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01L—SEMICONDUCTOR DEVICES NOT COVERED BY CLASS H10
    • H01L2924/00—Indexing scheme for arrangements or methods for connecting or disconnecting semiconductor or solid-state bodies as covered by H01L24/00
    • H01L2924/0001—Technical content checked by a classifier
    • H01L2924/0002—Not covered by any one of groups H01L24/00, H01L24/00 and H01L2224/00

Landscapes

  • Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Condensed Matter Physics & Semiconductors (AREA)
  • General Physics & Mathematics (AREA)
  • Computer Hardware Design (AREA)
  • Microelectronics & Electronic Packaging (AREA)
  • Power Engineering (AREA)
  • Manufacturing & Machinery (AREA)
  • Bipolar Transistors (AREA)
  • Weting (AREA)
FR7124909A 1970-07-10 1971-07-07 Transistor mfr - with fewer mask alignment steps Withdrawn FR2145352A1 (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US5381370A 1970-07-10 1970-07-10

Publications (1)

Publication Number Publication Date
FR2145352A1 true FR2145352A1 (en) 1973-02-23

Family

ID=21986720

Family Applications (1)

Application Number Title Priority Date Filing Date
FR7124909A Withdrawn FR2145352A1 (en) 1970-07-10 1971-07-07 Transistor mfr - with fewer mask alignment steps

Country Status (4)

Country Link
BE (1) BE769785A (cs)
DE (1) DE2134385A1 (cs)
FR (1) FR2145352A1 (cs)
NL (1) NL7109327A (cs)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3860461A (en) * 1973-05-29 1975-01-14 Texas Instruments Inc Method for fabricating semiconductor devices utilizing composite masking
IT1089299B (it) * 1977-01-26 1985-06-18 Mostek Corp Procedimento per fabbricare un dispositivo semiconduttore

Also Published As

Publication number Publication date
NL7109327A (cs) 1972-01-12
DE2134385A1 (de) 1972-02-03
BE769785A (fr) 1972-01-10

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Legal Events

Date Code Title Description
ST Notification of lapse