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US 6,584,608 B1Granted
Interactive designing process and system of a printed circuit board pattern
AssigneeFujitsu Limited
InventorsTouru Kumada, Takao Yamaguchi, Junichi Kigoshi, Kazunori Kumagai
Life of this patent
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Abstract
A computer-aided designing of a wiring pattern of a printed circuit board includes the steps of acquiring an electrical property of a component pin of a component to be connected to a wiring pattern by referring to a database, and defining a wiring-length limit for the wiring pattern in conformity with the electrical property of the component pin.
Claims30
A computer-implemented method of designing a wiring pattern, comprising the steps of:
- acquiring an electrical property of a component pin for at least three components to be connected by a wiring pattern, by referring to a database;
- defining a wiring length limit for said wiring pattern in conformity with said electrical property of each said component pin included in said wiring pattern;
- and
- creating said wiring pattern such that said wiring pattern connects said component pin of each of said at least three components successively,
- said step of creating said wiring pattern being conducted by placing and replacing one or more of said at least three components while examining a wiring length between said component pins of said at least three components, such that said wiring length is maintained within said wiring limit.
2 more elements
A wiring pattern designing system, comprising:
- constraint definition means for defining design constraints to be imposed on a wiring pattern;
- pattern creation means for creating a conductor pattern so as to connect component pins of at least three components successively and in conformity with said design constraints, by placing and replacing one or more of said at least three components, each of said at least three components including one of said component pins,
- said constraint definition means including:
- a database;
- data acquisition means for acquiring an electrical property of a component pin of said component pins to be connected to said wiring pattern, by referring to said database;
- and
- wiring length definition means for defining a wiring length limit for said wiring pattern in conformity with said electrical property of said component pin.
4 more elements
Dependencies are inferred from the claim text.