Rare earth electrode slurry of rare earth thick film circuit based on metal plate and its preparation technology

Abstract

The invention relates to a rare-earth electrode slurry of rare-earth circuit, based on the metal base board and a relative production, wherein it is characterized in that: said slurry is formed by solid material and organic solvent carrier, while their mass ratio is 70-90:30-10; the solid component comprises: silver, palladium, and yttrium composite power and micro-crystal glass powder, while their mass percentage is 99.4-94:0.6-6; said composite power is formed by silver, palladium, and yttrium powders at the ratio as 0.6-10:99-82:0.4-8; said micro-crystal glass is the one in SiO2-Al2O3-CaO-B2O3-Bi2O3-La2O3 group. And the production comprises: (1), preparing rare-earth micro-crystal glass powder; (2), preparing silver, palladium, and yttrium composite powder; (3), preparing organic solvent carrier; (4), mixing material in three-dimension and rolling with three rollers; (5), preparing the rare-earth slurry; (6), bottling. The invention is environment friendly and better humidity compatibility.

Description

technical field

[0001] The present invention relates to a rare earth electrode slurry for rare earth thick film circuits based on metal substrates, in particular to ferritic stainless steel series substrates, for example: rare earth electrode pastes for high power rare earth thick film circuits such as national standard 1Cr15, 1Cr17, 00Cr12, etc. Its preparation technology. Background technique

[0002] Environmental protection, improving energy utilization and improving energy structure are part of my country's sustainable development strategy. In the field of electric heating, new heating elements require small volume, high power, small thermal inertia, large surface heat load, low power consumption, high thermal efficiency, fast thermal start, stable power, uniform temperature field, and process Good performance, automatic temperature control of the body, safe and reliable operation, long life and wide application range. At present, there is no heating element that can ...