GB1275004A - Improvements in the manufacture of semiconductor elements - Google Patents

Improvements in the manufacture of semiconductor elements

Info

Publication number
GB1275004A
GB1275004A GB41584/70A GB4158470A GB1275004A GB 1275004 A GB1275004 A GB 1275004A GB 41584/70 A GB41584/70 A GB 41584/70A GB 4158470 A GB4158470 A GB 4158470A GB 1275004 A GB1275004 A GB 1275004A
Authority
GB
United Kingdom
Prior art keywords
silicon
layer
monocrystalline
polycrystalline
units
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
GB41584/70A
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.)
Hitachi Ltd
Original Assignee
Hitachi Ltd
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 Hitachi Ltd filed Critical Hitachi Ltd
Publication of GB1275004A publication Critical patent/GB1275004A/en
Expired legal-status Critical Current

Links

Classifications

    • HELECTRICITY
    • H01ELECTRIC ELEMENTS
    • H01LSEMICONDUCTOR DEVICES NOT COVERED BY CLASS H10
    • H01L21/00Processes or apparatus adapted for the manufacture or treatment of semiconductor or solid state devices or of parts thereof
    • HELECTRICITY
    • H01ELECTRIC ELEMENTS
    • H01LSEMICONDUCTOR DEVICES NOT COVERED BY CLASS H10
    • H01L21/00Processes or apparatus adapted for the manufacture or treatment of semiconductor or solid state devices or of parts thereof
    • H01L21/02Manufacture or treatment of semiconductor devices or of parts thereof
    • H01L21/04Manufacture 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
    • H01L21/18Manufacture 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
    • HELECTRICITY
    • H01ELECTRIC ELEMENTS
    • H01LSEMICONDUCTOR DEVICES NOT COVERED BY CLASS H10
    • H01L2224/00Indexing scheme for arrangements for connecting or disconnecting semiconductor or solid-state bodies and methods related thereto as covered by H01L24/00
    • H01L2224/01Means for bonding being attached to, or being formed on, the surface to be connected, e.g. chip-to-package, die-attach, "first-level" interconnects; Manufacturing methods related thereto

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)
  • Recrystallisation Techniques (AREA)
  • Dicing (AREA)
  • Drying Of Semiconductors (AREA)

Abstract

1275004 Making semi-conductor devices HITACHI Ltd 28 Aug 1970 [1 Sept 1969] 41584/70 Heading H1K The manufacture of individual semi-conductor units each containing one or more circuit elements can be appreciated from the two figures one of which shows the structure inverted with respect to the other. In the embodiment a monocrystalline silicon wafer 1 has a latticeform area 2 provided thereon (for example by the provision and etching of a layer of silicon particles, silicon oxide, silicon, nitride, or glass) such that in the subsequent overall deposition of silicon from a silane atmosphere monocrystalline zones 3 are formed which are separated from one another by a polycrystalline zone 4 formed over the area 2. The deposited silicon is of high resistivity and doped with arsenic or antimony. Low resistivity regions 5 are formed in the monocrystalline zones 3 by arsenic or antimony diffusion. The surface of the deposited silicon is covered with a layer 6 of silicon oxide, ceramic, or refractory metal. Parts of the layer 6 may be removed to allow heavy diffusion of boron into the polycrystalline zone 4. A handling layer 7 of polycrystalline silicon is then provided and the original, monocrystalline substrate 1 etched or lapped away. Base and emitter regions 8, 9 are formed by diffusion through a silicon oxide or silicon nitride layer 10 and beam leads 11, 12 formed from gold, chromium, molybdenum, or tungsten. The readily etched polycrystalline silicon of layer 7 and zone 4 is then etched away to separate the units, the layer 6 acting as an etch stop resulting in planar lower surfaces for the units.
GB41584/70A 1969-09-01 1970-08-28 Improvements in the manufacture of semiconductor elements Expired GB1275004A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP6866569A JPS4914381B1 (en) 1969-09-01 1969-09-01

Publications (1)

Publication Number Publication Date
GB1275004A true GB1275004A (en) 1972-05-24

Family

ID=13380217

Family Applications (1)

Application Number Title Priority Date Filing Date
GB41584/70A Expired GB1275004A (en) 1969-09-01 1970-08-28 Improvements in the manufacture of semiconductor elements

Country Status (5)

Country Link
JP (1) JPS4914381B1 (en)
DE (1) DE2043332A1 (en)
FR (1) FR2060339A1 (en)
GB (1) GB1275004A (en)
NL (1) NL7012844A (en)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3962052A (en) * 1975-04-14 1976-06-08 International Business Machines Corporation Process for forming apertures in silicon bodies
GB1602498A (en) * 1978-05-31 1981-11-11 Secr Defence Fet devices and their fabrication

Also Published As

Publication number Publication date
JPS4914381B1 (en) 1974-04-06
NL7012844A (en) 1971-03-03
FR2060339A1 (en) 1971-06-18
DE2043332A1 (en) 1971-03-25

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Legal Events

Date Code Title Description
PS Patent sealed
PLNP Patent lapsed through nonpayment of renewal fees