| http://www.w3.org/ns/prov#value | - As the area other than the fixing area in which the plate member is fixed on the rear surface of the semiconductor chip 3 on one surface of the plate member 7 is exposed, the area in which the plate member 7 is exposed to the air can be increased, compared with a case that the plate member 7 is fixed on the wiring board and a case that the plate member 7 is fixed on a package.
|