Fishing – trapping – and vermin destroying
Patent
1986-11-18
1987-11-17
Weisstuch, Aaron
Fishing, trapping, and vermin destroying
136258, 357 30, 357 59, 148DIG90, 148DIG94, 437101, 437233, H01L 3118
Patent
active
047063769
ABSTRACT:
A method for manufacturing a semiconductor photoelectric conversion device including forming a first impurity doped non-single crystal semiconductor layer of a first conductivity type on a substrate; forming an intrinsic non-single crystal semiconductor layer on the first semiconductor layer; forming a second impurity doped non-single crystal second conductivity layer type opposite to the first conductivity type on the intrinsic layer; irradiating the outer surface of the second impurity doped semiconductor layer with light energy of suitable wavelength which is effective to selectively crystallize the second impurity doped layer; irradiating the outer surface of the second impurity doped semiconductor layer with light energy of suitable wavelength which is effective to selectively crystallize the intrinsic semiconductor layer, whereby only the portion of the intrinsic semiconductor layer adjacent the impurity doped semiconductor layer is crystallized.
REFERENCES:
patent: 4539431 (1985-09-01), Moddel et al.
R. Tsu et al, IBM Tech. Disc. Bull., vol. 21 (No. 11), p. 4691 (Apr. 1979).
Nagayama Susumu
Yamazaki Shumpei
Ferguson Jr. Gerald J.
Foycik Michael J.
Hoffman Michael P.
Semiconductor Energy Laboratory Co,. Ltd.
Weisstuch Aaron
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