Semiconductor device manufacturing: process – Having organic semiconductive component
Reexamination Certificate
2011-08-02
2011-08-02
Lindsay, Jr., Walter L (Department: 2812)
Semiconductor device manufacturing: process
Having organic semiconductive component
C257SE51024
Reexamination Certificate
active
07989257
ABSTRACT:
Disclosed are polysilazane, a method of synthesizing the polysilazane, a composition for manufacturing a semiconductor device, and a method of manufacturing a semiconductor device using the composition. The polysilazane is synthesized through a reaction, under a catalyst, between dichlorosilane, trichlorosilane, and ammonia added in a reaction solvent as a reactant. In this instance, a polystyrene conversion weight average molecular weight of the polysilazane is about 2,000 to 30,000.
REFERENCES:
patent: 2008/0234163 (2008-09-01), Shimizu et al.
John P. Dismukes, Chemical Synthesis of Microporous Nonoxides Cermaics from Polysilazanes, Chemical Material vol. 9, 1997 pp. 699-706.
Chang Yong
Park Joo Hyeon
Korea Kumho Petrochemical Co. Ltd.
Ladas & Parry LLP
Lindsay, Jr. Walter L
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