US5429983A
Expired / Lapsed
US
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Method of manufacturing semiconductor device
Assignee: Sharp Corp
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Filing: 1994-08-29
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Granted: 1995-07-04
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Expires: 2014-08-29
Abstract
Abstract A method of manufacturing a semiconductor device according to the present invention comprises the steps of forming a conductive film on an insulating film, forming growth nucleuses containing any of elements in group IIIb, group IVb, group Vb and group VIIb that does not constitute the conductive film and the insulating film on the surface of the conductive film, and growing a semiconductor selectively on growth nucleuses.
Inventors
- 👤 Yutaka Takizawa
- 👤 Ken-ichi Yanai
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-09 07:37
CPC Classifications
G; G02; G02F; G02F1/00; G02F1/01; G02F1/13; G02F1/133; G02F1/136; G02F1/1362; G02F1/136286; H; H10; H10F; H10F71/00; H10F71/138; H10P; H10P14/00; H10P14/20; H10P14/24; H10P14/27; H10P14/271; H10P14/274; H10P14/29; H10P14/2901; H10P14/2922; Y; Y02; Y02E; Y02E10/00; Y02E10/50
Claims Analysis
Total Claims: 19
Claim 1
Independent Claim
72 words
A method of manufacturing a semiconductor device comprising the steps of: forming a conductive film on an insulating film; forming growth nucleuses (nuclei) on the surface of said conductive film, the growth nucleuses (nuclei) containing one of element of group IIIb, group IVb, group Vb and group VIIb at least that does not constitute said conductive film and said insulating film; and growing a semiconductor film selectively on said growth nucleuses (nuclei).
Claim 2
Independent Claim
72 words
A method of manufacturing a semiconductor device comprising the steps of: forming a conductive film on an insulating film; forming growth nucleuses (nuclei) on the surface of said conductive film, the growth nucleuses (nuclei) containing one of element of group IIIb, group IVb, group Vb and group VIIb at least that does not constitute said conductive film and said insulating film; and growing a semiconductor film selectively on said growth nucleuses (nuclei).
Claim 3
Dependent Claim
33 words
A method of manufacturing a semiconductor device according to claim 1, wherein said semiconductor film is grown selectively on said growth nucleuses by repeating growth and etching of a semiconductor at least once.
Claim 4
Dependent Claim
35 words
A method of manufacturing a semiconductor device according to claim 1, wherein said conductive film is formed by growing any of a metal, a metallic oxide, a silicon intermetallic compound and a germanium intermetallic compound.
Claim 5
Dependent Claim
16 words
A method of manufacturing a semiconductor device according to claim 3, wherein said metal is chrome.
Claim 6
Dependent Claim
28 words
A method of manufacturing a semiconductor device according to claim 3, wherein said metallic oxide is any of an indium oxide, a tin oxide and a zinc oxide.
Claim 7
Dependent Claim
18 words
A method of manufacturing a semiconductor device according to claim 3, wherein said silicon intermetallic compound is silicide.
Claim 8
Dependent Claim
21 words
A method of manufacturing a semiconductor device according to claim 1, wherein said insulating film is a silicon oxide containing film.
Claim 9
Dependent Claim
19 words
A method of manufacturing a semiconductor device according to claim 1, wherein said semiconductor film is silicon or germanium.
Claim 10
Dependent Claim
36 words
A method of manufacturing a semiconductor device according to claim 1, wherein said growth nucleuses are formed by growing a material having a wider energy band gap than that of the material constituting said conductive film.
Claim 11
Dependent Claim
41 words
A method of manufacturing a semiconductor device according to claim 1, wherein said growth nucleuses are formed by having said element stick to the surface of said conductive film by exposing said conductive film to the active atmosphere containing said element.
Claim 12
Dependent Claim
34 words
A method of manufacturing a semiconductor device according to claim 10, wherein said active atmosphere is excited by any of plasma discharge, light radiation, gas heating and substrate heating in the low pressure atmosphere.
Claim 13
Dependent Claim
36 words
A method of manufacturing a semiconductor device according to claim 10, wherein said conductive film is formed by growing an oxide transparent conductive material at the temperature of 200° C. or below in said active atmosphere.
Claim 14
Dependent Claim
26 words
A method of manufacturing a semiconductor device according to claim 10, wherein at least one of nitrogen, ammonium and phosphine is introduced into said active atmosphere.
Claim 15
Dependent Claim
44 words
A method of manufacturing a semiconductor device according to claim 1, wherein said growth nucleuses are formed by growing any one of a semiconductor in groups III-V, a semiconductor in groups II-VI, a semiconductor intermetallic compound and a metallic oxide on said conductive film.
Claim 16
Dependent Claim
35 words
A method of manufacturing a semiconductor device according to claim 1, wherein said growth nucleuses are formed by removing only at least one type of element among a plurality of elements constituting said conductive film.
Claim 17
Dependent Claim
44 words
A method of manufacturing a semiconductor device according to claim 1, wherein said growth nucleuses are formed by having any of said elements in group IIIb, group IVb, group Vb and group VIIb contained in the growth atmosphere when said conductive film is grown.
Claim 18
Dependent Claim
41 words
A method of manufacturing a semiconductor device according to claim 16, wherein said conductive film is formed by growing chrome and said growth nucleuses are formed by introducing oxygen at the same time immediately before the growth of chrome is terminated.
Claim 19
Dependent Claim
41 words
A method of manufacturing a semiconductor device according to claim 1, wherein said growth nucleuses are formed by means of ion implantation of any of said elements in group IIIb, group IVb, group Vb and group VIIb into said conductive film.
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