The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
Feb. 06, 2001
Filed:
Dec. 22, 1998
Canon Kabushiki Kaisha, Tokyo, JP;
Abstract
For stably obtaining high-quality images with good cleaning properties, with neither occurrence of uneven scraping of a surface layer of a light receiving member nor fusion of a toner, and without occurrence of an image defect even without provision of a heater, the wear loss of the surface layer of a non-monocrystalline hydrogenated carbon film is made not less than 1 Å/10,000 sheets nor more than 10 Å/10,000 sheets after completion of copying processes of A4-size transfer sheets, each copying process including developing an image on a light receiving member with a developer having an average grain diameter of 5 to 8 &mgr;m, then transferring the developer image onto a transfer medium, and thereafter scrape-cleaning the surface of the light receiving member with an elastic rubber blade having the hardness of not less than 70 nor more than 80.