A SYSTEM FOR PROVIDING HIGH SPEED MULTI~FACETED SCANNERS BY INJECTION MOLDING
Original Publication Date: 1977-Oct-31
Included in the Prior Art Database: 2004-Mar-31
Xerox Disclosure Journal
A high speed mu1ti-faceted polygonal scanner is provided by injection molding. In a first embodiment shown in Figure 1, an aluminum disc 30 has an acrylic ring 31 molded thereto by forcing preheated acrylic in a molten state into a die cavity having the required facet geometry. In a second embodiment shown in Figure 2, an acrylic ring 40 having facets formed thereon is molded separately and then cemented onto aluminum disc 30 utilizing cement 41.