US 12,322,534 B2
Magnetic sheet, wound magnetic sheet, and multilayer magnetic sheet
Kouhei Miyano, Tokyo (JP); and Yasuo Kuriyama, Tokyo (JP)
Assigned to Proterial, Ltd., Tokyo (JP)
Filed by Proterial, Ltd., Tokyo (JP)
Filed on Mar. 6, 2023, as Appl. No. 18/178,866.
Claims priority of application No. 2022-052070 (JP), filed on Mar. 28, 2022.
Prior Publication US 2023/0307162 A1, Sep. 28, 2023
This patent is subject to a terminal disclaimer.
Int. Cl. B32B 7/12 (2006.01); B32B 3/18 (2006.01); H01F 1/153 (2006.01); H01F 27/245 (2006.01); B32B 9/04 (2006.01); B32B 15/06 (2006.01); B32B 15/082 (2006.01); B32B 15/095 (2006.01); B32B 15/18 (2006.01); B32B 27/08 (2006.01); B32B 27/28 (2006.01); B32B 27/30 (2006.01); B32B 27/32 (2006.01); B32B 27/34 (2006.01); B32B 27/36 (2006.01); B32B 27/40 (2006.01)
CPC H01F 1/15333 (2013.01) [B32B 3/18 (2013.01); B32B 7/12 (2013.01); H01F 27/245 (2013.01); B32B 9/045 (2013.01); B32B 15/06 (2013.01); B32B 15/082 (2013.01); B32B 15/095 (2013.01); B32B 15/18 (2013.01); B32B 27/08 (2013.01); B32B 27/281 (2013.01); B32B 27/283 (2013.01); B32B 27/285 (2013.01); B32B 27/286 (2013.01); B32B 27/302 (2013.01); B32B 27/304 (2013.01); B32B 27/306 (2013.01); B32B 27/308 (2013.01); B32B 27/32 (2013.01); B32B 27/34 (2013.01); B32B 27/36 (2013.01); B32B 27/365 (2013.01); B32B 27/40 (2013.01); B32B 2250/42 (2013.01); B32B 2307/208 (2013.01); B32B 2307/704 (2013.01)] 10 Claims
OG exemplary drawing
 
1. A magnetic sheet comprising:
an adhesive layer that includes a support formed in a band shape and an adhesive provided on at least one of a first surface or a second surface of the support; and
a magnetic ribbon that is formed in a band shape using a magnetic material and is bonded to the adhesive on the adhesive layer,
wherein the magnetic ribbon includes a plurality of pieces, and
wherein width A as a dimension of the adhesive layer in a direction intersecting a longitudinal direction of the adhesive layer and width B as a dimension of the magnetic ribbon in a direction intersecting a longitudinal direction of the magnetic ribbon satisfy a relationship of 0.2 mm≤(width A−width B)≤3 mm.