Aluminum nitride ceramics, members for use in a system for...

Details Aluminum nitride ceramics, members for use in a system for... Aluminum nitride ceramics, members for use in a system for...

2005-04-26

2005-04-26

Group, Karl (Department: 1755)

Compositions: ceramic

Ceramic compositions

Refractory

C501S098600, C501S096400, C252S508000

Reexamination Certificate

active

06884742

ABSTRACT:
An aluminum nitride ceramic is provided, containing boron atoms in an amount of not lower than 1.0 weight percent and carbon atoms in an amount of not lower than 0.3 weight percent and having a volume resistivity at room temperature of not higher than 1×1012Ω·cm. The aluminum ceramic comprises aluminum nitride and an intergranular phase mainly consisting of boron nitride constituting a conductive path. Such a ceramic may be obtained by holding a mixture containing at least aluminum nitride and boron carbide at a holding temperature in a range of 1400° C. to 1800° C. and then sintering the mixture at a maximum temperature that is higher than the holding temperature.

REFERENCES:
patent: 3649314 (1972-03-01), James
patent: 5457075 (1995-10-01), Fukushima et al.
patent: 5767028 (1998-06-01), Komatsu et al.
patent: 6001760 (1999-12-01), Katsuda et al.
patent: 6156686 (2000-12-01), Katsuda et al.
patent: 6486085 (2002-11-01), Katsuda et al.
patent: 20020110706 (2002-08-01), Katsuda et al.
patent: 0393524 (1990-10-01), None
patent: 0 780 351 (1997-06-01), None
patent: 0 798 278 (1997-10-01), None
patent: 1 0 88 801 (2001-04-01), None
patent: 1 128 425 (2001-08-01), None
patent: 62-128971 (1987-06-01), None
patent: 3-131574 (1991-06-01), None
patent: 4-332831 (1992-11-01), None
patent: 5-178671 (1993-07-01), None
patent: 7-53267 (1995-02-01), None
patent: 09-315867 (1997-12-01), None
patent: 10-154746 (1998-06-01), None
patent: 10189698 (1998-07-01), None
patent: 2001-163672 (2001-06-01), None
patent: 2001-322874 (2001-11-01), None

Affiliated with

Also associated with

Rating

Aluminum nitride ceramics, members for use in a system for... does not yet have a rating. At this time, there are no reviews or comments for this patent.

If you have personal experience with Aluminum nitride ceramics, members for use in a system for..., we encourage you to share that experience with our LandOfFree.com community. Your opinion is very important and Aluminum nitride ceramics, members for use in a system for... will most certainly appreciate the feedback.

Rate now

Comments { 0 }

Profile ID: LFUS-PAI-O-3390188