The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
Jun. 18, 2013
Filed:
Jan. 27, 2012
Yuji Umino, Fukushima, JP;
Yuji Umino, Fukushima, JP;
MUNEKATA Co., Ltd., Fukushima-shi, JP;
Abstract
An electric field is formed between a material to be coatedand a coating sprayerby applying a high voltage of −1 kV to −90 kV to an electrode needleat a tip of the coating sprayer, while maintaining the material to be coatedpositively. An inert gas is sprayed from an inert gas spraying nozzleto the material to be coated, and a solution having a dielectric substance dissolved in a solvent is simultaneously sprayed from a dielectric solution spraying nozzle, while giving negative charge to the dielectric solution, to form a precursor polarization film. The solution is discharged from the spraying nozzleby injecting the inert gas in the spraying nozzle. Then, the electric field is formed again and the precursor polarization film is further polarized, to thereby form a piezoelectric/pyroelectric film on the material to be coated