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:
Aug. 03, 1999
Filed:
Jun. 14, 1996
Shigeru Ishida, Chiyoda-machi, JP;
Haruo Mishina, Ushiku, JP;
Yukihiro Kawasumi, Kashiwa, JP;
Tomio Yoneda, Chiyoda-machi, JP;
Masayuki Saito, Ina-machi, JP;
Hiroshi Tsutsumi, Mobara, JP;
Hitachi Techno Engineering Co., Ltd., Tokyo, JP;
Abstract
A paste applicator for drawing a paste film in a desired pattern on a substrate, including a table for detachably supporting a substrate, a paste reservoir tube to be filled with a paste, and a nozzle communicating with the paste reservoir and having a paste discharging port opposing to an upper surface of the substrate mounted on the table. A device is supplied for changing the relative positional relationship between the nozzle and the substrate mounted on the table. The paste is applied onto the substrate to form a desired pattern of the paste. A measuring device measures a position of a paste discharging port of a nozzle exchanged together with the paste reservoir tube by using a paste pattern formed by applying the paste onto the substrate held on the table using the exchanged nozzle. The center of the paste pattern nearly agrees with the center of the paste discharging port. A calculator calculates a positional displacement of the paste discharging port due to the nozzle exchange using the measured result obtained by the measuring device. A positioning device positions the substrate at a desired position with respect to the paste discharging port after nozzle exchange using the result obtained by the calculator.