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:
Sep. 02, 2003
Filed:
May. 17, 2001
Naohiro Hirose, Ibi-gun, JP;
Honjin En, Ibi-gun, JP;
Ibiden Co., Ltd., Ogaki, JP;
Abstract
Mesh holes and of upper solid layers and upper solid layers are formed to overlie on one another, so that the insulating properties of interlayer resin insulating layers are not lowered. Here, the diameter of each mesh hole is preferably to 300 &mgr;m. The reason is as follows. If the diameter of the mesh hole is less than 75 &mgr;m, it is difficult to overlay the upper and lower mesh holes on one another. If the diameter exceeds 300 &mgr;m, the insulating properties of the interlayer resin insulating layers deteriorate. In addition, the distance between the mesh holes is preferably 100 to 2000 &mgr;m. The reason is as follows. If the distance is less than 100 &mgr;m, the solid layer cannot function. If the distance exceeds 2000 &mgr;m, the deterioration of the insulating properties of the interlayer resin insulating film occurs.