US 11,878,320 B2
Powder layer composite, coating film, powder coating method, and powder coating apparatus
Motohiro Okochi, Osaka (JP); Akihiro Horikawa, Osaka (JP); and Toshiyuki Kojima, Kyoto (JP)
Assigned to PANASONIC INTELLECTUAL PROPERTY MANAGEMENT CO., LTD., Osaka (JP)
Filed by Panasonic Intellectual Property Management Co., Ltd., Osaka (JP)
Filed on Aug. 6, 2021, as Appl. No. 17/396,645.
Claims priority of application No. 2020-155855 (JP), filed on Sep. 16, 2020.
Prior Publication US 2022/0080434 A1, Mar. 17, 2022
Int. Cl. B05B 7/00 (2006.01); B05B 7/14 (2006.01); B05B 5/025 (2006.01); B05B 17/06 (2006.01); C08L 33/08 (2006.01)
CPC B05B 7/144 (2013.01) [B05B 5/0255 (2013.01); B05B 17/0607 (2013.01); C08L 33/08 (2013.01)] 13 Claims
OG exemplary drawing
 
1. A powder layer composite comprising:
a base; and
a powder layer consisting of at least one non-conducting material, and having a thickness of 100 μm or less and disposed on the base, wherein
an average of a total value of a number of powder aggregates having a long diameter of 500 μm or greater and a number of pinholes having a long diameter of 500 μm or greater, in any of a plurality of different regions of 20 mm×20 mm on a surface of the powder layer, is 0.2 pieces/cm2 or less.