ALUMINUM NITRIDE DENSIFICATION WITH MINIMAL GRAIN GROWTH - Patent 0593679

(19)

(11)

EP 0 593 679 A1

(12)

(43)	Date of publication:
	27.04.1994 Bulletin 1994/17

(21)	Application number: 92917173.0

(22)	Date of filing: 08.07.1992

(51)

International Patent Classification (IPC):

C04B^{( . )}

C04B 35/ 581^{( . )}

(86)	International application number:
	PCT/US1992/005816

(87)	International publication number:
	WO 1993/001147 (21.01.1993 Gazette 1993/03)

(84)	Designated Contracting States:
	AT BE CH DE FR GB IT LI NL SE

(30)

Priority:

08.07.1991 US 19910726462

(71)	Applicant: THE DOW CHEMICAL COMPANY
	Midland, Michigan 48640 (US)

(72)	Inventor:
	CHIAO, Yi-Hung Midland, MI 48640 (US)

(74)	Representative: Burford, Anthony Frederick
	W.H. Beck, Greener & Co. 7 Stone Buildings Lincoln's Inn London WC2A 3SZ London WC2A 3SZ (GB)

(54)	ALUMINUM NITRIDE DENSIFICATION WITH MINIMAL GRAIN GROWTH