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:
Dec. 29, 2009
Filed:
Feb. 21, 2006
Tomoyuki Hiramatsu, Chiryu, JP;
Yoshinori Hayashi, Okazaki, JP;
Hisashi Hasegawa, Okazaki, JP;
DENSO CORPORATION, Kariya, JP;
Abstract
A X-ray inspection device for inspecting a solder connection portion between a circuit device having a solder ball and a printed circuit board having a land includes: X-ray irradiating means for irradiating X-ray to the solder connection portion between the solder ball and the land; X-ray detecting means for detecting the X-ray transmitted through the solder connection portion and for outputting a detection signal; and image forming means for forming and outputting a horizontal tomographic image of the solder connection portion on the basis of the detection signal. The horizontal tomographic image shows existence or nonexistence of a solder bump disposed on a side of the land.