Invention Grant
- Patent Title: Process for marking a glass object and article
- Patent Title (中): 用于标记玻璃制品和制品的方法
-
Application No.: US289843Application Date: 1988-12-27
-
Publication No.: US4896074APublication Date: 1990-01-23
- Inventor: Debra L. Williams , David S. Holmes , Daniel D. Devir
- Applicant: Debra L. Williams , David S. Holmes , Daniel D. Devir
- Applicant Address: MA Danvers
- Assignee: GTE Products Corporation
- Current Assignee: GTE Products Corporation
- Current Assignee Address: MA Danvers
- Main IPC: C03C23/00
- IPC: C03C23/00 ; H01J5/00 ; H01J9/24 ; H01K1/28
Abstract:
A process of manufacture and an article produced by the process in the form of a lead glass substrate. The substrate is discretely marked during the manufacturing process by directing a flame upon it that is deficient in oxygen to provide a darkened or black marking in the glass surface. The invention is especially useful for marking electric lamps.
Public/Granted literature
- US5467121A Method and apparatus for dot matrix writing using a continous wave laser Public/Granted day:1995-11-14
Information query
