Rare earth thick film circuit electric heating element based on aluminum nitride microcrystalline ceramic substrate and its preparation process
Application number/patent number: 200810029435
Disclosure of the present invention A rare earth thick film circuit controllable electric heating element based on an aluminum nitride microcrystalline ceramic substrate and a preparation method thereof, including a substrate, a series of electronic slurries, and a series of electronic slurries prepared on the substrate, and the series of electronic slurries include Packaging slurry, electrode slurry, and series of electronic slurries are composed of three parts: functional phase, inorganic adhesive phase, and organic carrier; series of electronic slurries also include rare earth resistor slurries, and the substrate is ALN aluminum nitride microcrystalline Ceramic substrate, a series of electronic slurries are prepared on the substrate in the form of thick film circuits, and the formulas of ALN aluminum nitride microcrystalline ceramic substrates, rare earth encapsulation slurries, rare earth resistor slurries, and rare earth electrode slurries are also disclosed. . The heating temperature field of the invention is uniform and controllable, has high power, high power density, efficient heat conduction, high-speed response, high efficiency and energy saving, strong thermal shock resistance, small size, green, environmentally friendly, safe and reliable, and has a wide application range.
Application date: July 14, 2008
Publication date: December 10, 2008
Authorization announcement date:
Applicant/patentee: Wang Chen; Wang Kezheng
Applicant address: No. 303, No. 13, Nanhua 1st Street, Chancheng District, Foshan City, Guangdong Province
Inventor and designer: Wang Chen; Wang Kezheng
Patent agency: Guangzhou Sanhuan Patent Agency Co., Ltd.
Agent: Zhan Zhongguo
Patent type: Invention patent
Classification No.: H05B3/14;C03C10/02;C03C17/06