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:
Nov. 02, 2004
Filed:
Mar. 12, 2003
Yoshiyuki Arai, Shiga, JP;
Akira Yamauchi, Shiga, JP;
Toray Engineering Co., Ltd., Osaka, JP;
Abstract
A chip mounting device comprising a first recognition means ( ) for recognizing a first recognition mark ( ) on the upper chip-retainable head ( ) side, a second recognition means ( ) for recognizing a second recognition mark ( ) on the lower substrate-retainable stage ( ) side, a third recognition means ( ) for recognizing the recognition marks ( ) concurrently when the first recognition mark ( ) is brought close to or into contact with the second recognition mark ( ), and a temperature detection means ( ) attached to the first recognition means ( ) or the second recognition means ( ), wherein calibration is carried out based on the recognition of the recognition marks when the temperature detection means ( ) detects a beyond-allowance temperature change, whereby permitting a high-accuracy, efficient calibration independently of mechanical deformation and temperature change in environmental atmosphere.