US5448494A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Mask data processing apparatus for integrated circuit production
Assignee: Fujitsu Semiconductor Ltd
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Filing: 1994-01-12
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Granted: 1995-09-05
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Expires: 2014-01-12
Abstract
Abstract An apparatus for mask data processing in which a design data format of computer aided design for an integrated circuit is transformed into mask data of an actual integrated circuit. The apparatus includes a data transformation unit for transforming a design data format of computer aided design for an integrated circuit into mask data of an actual integrated circuit, and a picture image display unit for monitoring the transformation of the design data format into the mask data. The data transformation unit includes a control central processor unit for controlling the mask data transformation, and a picture processing processor having a calculation central processor unit for a unit field.
Inventors
- 👤 Kenichi Kobayashi
- 👤 Masahiro Yumoto
- 👤 Nobuyasu Horiuchi
- 👤 Akihiro Okazaki
- 👤 Hiroshi Fuji
- 👤 Hiroaki Tsuda
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-07 10:44
CPC Classifications
G; G06; G06F; G06F30/00; G06F30/30; G06F30/39; G06F30/398
Claims Analysis
Total Claims: 11
Claim 1
Independent Claim
166 words
An apparatus for mask data processing in which a design data format, including a mask area having at least one unit field, of computer aided design for an integrated circuit is transformed into mask data of an actual integrated circuit, comprising: a data transformation unit transforming the design data format of the computer aided design for the integrated circuit into the mask data of the actual integrated circuit, wherein said data transformation unit comprises: a control central processor unit controlling the transformation of the design data format into the mask data, and a picture processing processor having a calculation central processor unit for at least one unit field processing the design data format, the picture processing processor being responsive to the control central processor unit, and the calculation central processor unit performing calculation processing for picture processing and for transforming the design data format into the mask data; and picture image display means for monitoring the transformation of the design data format into the mask data.
Claim 2
Independent Claim
166 words
An apparatus for mask data processing in which a design data format, including a mask area having at least one unit field, of computer aided design for an integrated circuit is transformed into mask data of an actual integrated circuit, comprising: a data transformation unit transforming the design data format of the computer aided design for the integrated circuit into the mask data of the actual integrated circuit, wherein said data transformation unit comprises: a control central processor unit controlling the transformation of the design data format into the mask data, and a picture processing processor having a calculation central processor unit for at least one unit field processing the design data format, the picture processing processor being responsive to the control central processor unit, and the calculation central processor unit performing calculation processing for picture processing and for transforming the design data format into the mask data; and picture image display means for monitoring the transformation of the design data format into the mask data.
Claim 3
Dependent Claim
41 words
An apparatus for mask data processing according to claim 1, wherein said control central processor unit has an address space and the calculation central processor unit has storage, the address space corresponding to the storage of the calculation central processor unit.
Claim 4
Dependent Claim
31 words
An apparatus for mask data processing according to claim 1, wherein the picture processing processor, having a data storage, stores at least data for each unit field of the mask data.
Claim 5
Independent Claim
174 words
An apparatus for mask data processing in which a design data format, including a mask area divided into unit fields, of computer aided design for integrated circuit is transformed into mask data of an actual integrated circuit, comprising: a data transformation unit transforming the design data format of the computer aided design for the integrated circuit into the mask data of the actual integrated circuit, wherein said data transformation unit comprises: a control central processor unit controlling the mask data transformation, and a plurality of picture processing processors each having a calculation central processor unit for each unit field, controlled by the control central processor unit and processing the design data format, wherein a processing instruction from the control central processor unit is supplied simultaneously to each of the picture processing processors and wherein the calculation central processor units perform calculation processing for picture processing and for transforming the design data format into the mask data; and picture image display means for monitoring the transformation of the design data format into the mask data.
Claim 6
Independent Claim
174 words
An apparatus for mask data processing in which a design data format, including a mask area divided into unit fields, of computer aided design for integrated circuit is transformed into mask data of an actual integrated circuit, comprising: a data transformation unit transforming the design data format of the computer aided design for the integrated circuit into the mask data of the actual integrated circuit, wherein said data transformation unit comprises: a control central processor unit controlling the mask data transformation, and a plurality of picture processing processors each having a calculation central processor unit for each unit field, controlled by the control central processor unit and processing the design data format, wherein a processing instruction from the control central processor unit is supplied simultaneously to each of the picture processing processors and wherein the calculation central processor units perform calculation processing for picture processing and for transforming the design data format into the mask data; and picture image display means for monitoring the transformation of the design data format into the mask data.
Claim 7
Dependent Claim
37 words
An apparatus for mask data processing according to claim 1, wherein the picture processing processor, having a data storage, stores data with unit field of least repetitive data of the mask data of the actual integrated circuit.
Claim 8
Independent Claim
181 words
An apparatus for mask data processing in which a design data format, including a mask area divided into unit fields, of computer aided design for an integrated circuit is transformed into mask data of an actual integrated circuit, and said apparatus for displaying picture image data to an operator, said apparatus comprising: a data transformation unit transforming the design data format of the computer aided design for the integrated circuit into the mask data of the actual integrated circuit; and a picture image display unit monitoring the transformation of the design data format into the mask data, said picture image display unit being adapted to display in a video representation the transformation of the design data format into the mask data, and said picture image display unit comprising: range designating circuit providing range designating information; range scanning circuit receiving the design data format, receiving range designating information from the range designating circuit, and transforming the design data format into picture image data in accordance with the range designating information; and video monitor displaying picture image data from the range scanning circuit.
Claim 9
Independent Claim
181 words
An apparatus for mask data processing in which a design data format, including a mask area divided into unit fields, of computer aided design for an integrated circuit is transformed into mask data of an actual integrated circuit, and said apparatus for displaying picture image data to an operator, said apparatus comprising: a data transformation unit transforming the design data format of the computer aided design for the integrated circuit into the mask data of the actual integrated circuit; and a picture image display unit monitoring the transformation of the design data format into the mask data, said picture image display unit being adapted to display in a video representation the transformation of the design data format into the mask data, and said picture image display unit comprising: range designating circuit providing range designating information; range scanning circuit receiving the design data format, receiving range designating information from the range designating circuit, and transforming the design data format into picture image data in accordance with the range designating information; and video monitor displaying picture image data from the range scanning circuit.
Claim 10
Independent Claim
173 words
An apparatus for mask data processing in which a design data format, including a mask area divided into unit fields, of computer aided design for an integrated circuit is transformed into mask data of an actual integrated circuit, comprising: a data transformation unit for transforming the design data format of the computer aided design for the integrated circuit into the mask data of the actual integrated circuit, wherein said data transformation unit comprises: a control central processor for controlling the mask data transformation, and a plurality of pattern processing processors having calculation central processors and data storages for unit fields for processing patterns of the design data format, said control central processor and said pattern processing processors being separated and hierarchically arranged, said pattern processing processors being responsive to said control central processor, and each calculation central processor performing calculation processing for pattern processing and for transforming the design data format into the mask data; and pattern image display means for monitoring the transformation of the design data format into the mask data.
Claim 11
Independent Claim
173 words
An apparatus for mask data processing in which a design data format, including a mask area divided into unit fields, of computer aided design for an integrated circuit is transformed into mask data of an actual integrated circuit, comprising: a data transformation unit for transforming the design data format of the computer aided design for the integrated circuit into the mask data of the actual integrated circuit, wherein said data transformation unit comprises: a control central processor for controlling the mask data transformation, and a plurality of pattern processing processors having calculation central processors and data storages for unit fields for processing patterns of the design data format, said control central processor and said pattern processing processors being separated and hierarchically arranged, said pattern processing processors being responsive to said control central processor, and each calculation central processor performing calculation processing for pattern processing and for transforming the design data format into the mask data; and pattern image display means for monitoring the transformation of the design data format into the mask data.
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USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1998-09-04 | 1999-03-06 | 1999-09-05 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 2002-09-04 | 2003-03-06 | 2003-09-05 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 2006-09-04 | 2007-03-06 | 2007-09-05 | $7700.00 | Window Closed / Lapsed |