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Fast layout data processing and repetitive structure exposure for high throughput e-beam lithography

: Gramms, J.; Eichhorn, H.; Baetz, U.

Seeger, D.E. ; Society of Photo-Optical Instrumentation Engineers -SPIE-, Bellingham/Wash.:
Electron-beam, X-ray, EUV, and ion-beam submicrometer lithographies for manufacturing VI : 11-13 March, 1996, Santa Clara, California
Bellingham, Wash.: SPIE, 1996 (SPIE Proceedings Series 2723)
ISBN: 0-8194-2099-9
S.82-90 : Lit.
Conference "Electron-Beam, X-Ray, EUV, and Ion-Beam Submicrometer Lithographies for Manufacturing" <6, 1996, Santa Clara/Calif.>
Fraunhofer IMS, Außenstelle Dresden ( IPMS) ()
Datenverarbeitung; e-beam lithography; Elektronenstrahllithographie; hierarchische Layoutbearbeitung; Speichermatrix

Constantly growing chip areas, scaling down of pattern sizes, proximity corrections, OPC etc. give rise to an expansion of layout data. The methods of our JENOPTIK universal exposure systems outlined in this paper serve the purpose of drastically reducing the enormous data volumes. ZBA e-beam systems are capable of processing repeated subpatterns down to runtime format. The ZBA-subpatterns may have any complexity and can be positioned randomly or as an array. Subpatterns are exploded by a fast specific hardware in the very last moment of exposure. Using such repetitive structures, data preprocessing, data transfer and data exposure times are considerably reduced. a suitable data preprocessor is described to provide detecting and saving of substructures.