AU2943471A - Method of optically projecting a pattern of substantially circular apartures ona photosensitive layer and device for carrying out the method
- Google Patents
Method of optically projecting a pattern of substantially circular apartures ona photosensitive layer and device for carrying out the method
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
JOSEPH MARIE GERVAN and JOHANNES CORNELIS ADRIANUS VAN LIES CONSTANT
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Koninklijke Philips NV
Original Assignee
Philips Gloeilampenfabrieken NV
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Filing date
Publication date
Application filed by Philips Gloeilampenfabrieken NVfiledCriticalPhilips Gloeilampenfabrieken NV
Application grantedgrantedCritical
Publication of AU459264B2publicationCriticalpatent/AU459264B2/en
Publication of AU2943471ApublicationCriticalpatent/AU2943471A/en
AU29434/71A1970-06-051971-05-31Method of optically projecting a pattern of substantially circular apartures ona photosensitive layer and device for carrying out the method
ExpiredAU459264B2
(en)