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Assignee: Fujitsu Automation Limited


Location: Kawasaki, JP
No. of patents: 13

NumberTitleIssue Date
6518766Method of inspecting an electrical disconnection between circuits by calculating physical quantities thereof based on capacitances regarding the circuits measured twice
A disconnection-inspecting method for inspecting an electrical disconnection between circuits formed on both surfaces of a board is provided. The method includes the steps of: placing the board on an insulating sheet laid on a reference conductor; measuri...
02/11/2003
6511620Method of producing semiconductor devices having easy separability from a metal mold after molding
A method of producing semiconductor devices which have an excellent separability from a metal mold after resin encapsulation and thus eliminates the need to clean the metal mold. A metal mold for producing such semiconductor devices is also provided. Acco...
01/28/2003
6022759Method for producing a semiconductor device, base member for semiconductor device and semiconductor device unit
A semiconductor device includes a semiconductor element, a semiconductor device base member having an element mounting portion on which the semiconductor element is mounted, external connection terminals provided on the semiconductor device base member an...
02/08/2000
5838593Simulation apparatus
The present invention is a simulation apparatus which can shorten the transmission and reception time of events, and unify simulation models to make it possible to use the same language expression as that for an ordinary model to express a real chip. The ...
11/17/1998
5750421Semiconductor device, carrier for carrying semiconductor device, and method of testing and producing semiconductor device
A semiconductor device including a plurality of leads respectively made up of an inner lead and an outer lead, a semiconductor chip electrically connected to the inner leads, and a package encapsulating at least the inner leads of the leads and the semico...
05/12/1998
5747874Semiconductor device, base member for semiconductor device and semiconductor device unit
A semiconductor device includes a semiconductor element, a semiconductor device base member having an element mounting portion on which the semiconductor element is mounted, external connection terminals provided on the semiconductor device base member an...
05/05/1998
5744964Method and apparatus for electrical test of wiring patterns formed on a printed circuit board
For a print-circuit board 10 of a good product, probes 31 and 32 are made to be electrically continuous with a ground plate 13 and a wiring pattern i respectively to measure a capacitance Cgi, which is then stored in a storage device 44. A capacitance Ci ...
04/28/1998
5736428Process for manufacturing a semiconductor device having a stepped encapsulated package
A process for manufacturing semiconductor device including a plurality of leads respectively made up of an inner lead and an outer lead, a semiconductor chip electrically connected to the inner leads, and a package encapsulating at least the inner leads o...
04/07/1998
5666064Semiconductor device, carrier for carrying semiconductor device, and method of testing and producing semiconductor device
A semiconductor device comprises a plurality of leads respectively made up of an inner lead and an outer lead, a semiconductor chip electrically connected to the inner leads of the leads, and a package encapsulating at least the inner leads of the leads a...
09/09/1997
5637923Semiconductor device, carrier for carrying semiconductor device
A semiconductor device including a plurality of leads respectively made up of an inner lead and an outer lead, a semiconductor chip electrically connected to the inner leads, and a package encapsulating at least the inner leads of the leads and the semico...
06/10/1997
5634003Logic simulation apparatus based on dedicated hardware simulating a logic circuit and selectable to form a processing scale
In a logic simulation apparatus formed of dedicated hardware for simulating a logic operation of at least one logic circuit, and connected to at least one host computer, the apparatus includes: a plurality of clusters, each cluster including at least a co...
05/27/1997
5475259Semiconductor device and carrier for carrying semiconductor device
A semiconductor device comprises a plurality of leads respectively made up of an inner lead and an outer lead, a semiconductor chip electrically connected to the inner leads of the leads, and a package encapsulating at least the inner leads of the leads a...
12/12/1995
5013906Fish sex discrimination equipment and method
Fish sex discrimination equipment and method comprising an automatic supplying unit, a light projection and reception detection unit, a discrimination control unit, a discharge unit, and a first conveyor and a second conveyor, and also comprising the step...
05/07/1991
 
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