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:
May. 30, 1989
Filed:
Apr. 05, 1988
Applicant:
Inventors:
Teruo Watanabe, Mobara, JP;
Tatsuo Yamaura, Mobara, JP;
Assignee:
Futaba Denshi Kogho K.K., Mobara, JP;
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
H01J / ; H01J / ;
U.S. Cl.
CPC ...
315 58 ; 313497 ; 361399 ; 361400 ; 361402 ;
Abstract
A fluorescent display device capable of forming a die bond layer into a desired and uniform thickness, resulting in minimizing adverse affection of thermal stress occurring during the manufacturing and accurately accomplishing wire bonding operation to lead to an improvement in its reliability. Also, a method for manufacturing the device. The fluorescent display device is so constructed that an insulating bank of a frame-like shape is provided between a die bonding pad and bonding pads and a die bond layer is arranged in a space defined at an inside of the bank to adhesively bond an IC chip to a substrate.