Title:
電磁波吸収材
Document Type and Number:
Japanese Patent JP4224703
Kind Code:
B2
Abstract:
An electromagnetic wave absorber characterized by comprising from 50 to 85% by weight of inorganic hollow material, from 0.01 to 35% by weight of conductive material, from 5 to 47.5% by weight of binder, and from 0.1 to 47.5% by weight of filler. It has a reduced angle dependence of electromagnetic wave absorption and has the property of absorbing electromagnetic waves over a wide range of angles. It further has satisfactory processability and workability.
Inventors:
Hideyuki Hatanaka
Masato Otsubo
Arikawa Sadaaki
Masato Otsubo
Arikawa Sadaaki
Application Number:
JP2003564361A
Publication Date:
February 18, 2009
Filing Date:
January 31, 2002
Export Citation:
Assignee:
Nitto Boseki Co., Ltd.
International Classes:
H05K9/00; B32B5/00; E04B1/92; H01Q17/00
Domestic Patent References:
| JP8008576A | ||||
| JP8181480A | ||||
| JP61189699A | ||||
| JP2000082892A | ||||
| JP2000082893A | ||||
| JP2000353893A | ||||
| JP8067544A | ||||
| JP11354974A | ||||
| JP2001156487A | ||||
| JP2000269680A | ||||
| JP10200285A |
Attorney, Agent or Firm:
Shohei Oguri
Hironori Honda
Toshimitsu Ichikawa
Hironori Honda
Toshimitsu Ichikawa