Invention Grant
US08173561B2 Inert high hardness material for tool lens production in imaging applications
失效
用于成像应用中的工具镜片生产的惰性高硬度材料
- Patent Title: Inert high hardness material for tool lens production in imaging applications
- Patent Title (中): 用于成像应用中的工具镜片生产的惰性高硬度材料
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Application No.: US12615885Application Date: 2009-11-10
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Publication No.: US08173561B2Publication Date: 2012-05-08
- Inventor: Elizabeth Ann Binky Peterson , William Roy Huston , Irene Spitsberg , Michael James Verti , Sudhir Brahmandam
- Applicant: Elizabeth Ann Binky Peterson , William Roy Huston , Irene Spitsberg , Michael James Verti , Sudhir Brahmandam
- Applicant Address: US PA Latrobe
- Assignee: Kennametal Inc.
- Current Assignee: Kennametal Inc.
- Current Assignee Address: US PA Latrobe
- Agent Matthew W. Gordon
- Main IPC: C04B35/52
- IPC: C04B35/52 ; C04B35/56 ; C22C29/08
Abstract:
A tungsten carbide material for use in precision glass molding applications having 6.06-6.13 wt. % carbon, 0.20-0.55 wt. % grain growth inhibitor, less than 0.25 wt. % binder, less than 0.6% wt. % impurities, and balance being tungsten. The tungsten carbide material has a nominal grain size of less than 0.5 microns.
Public/Granted literature
- US20110111945A1 INERT HIGH HARDNESS MATERIAL FOR TOOL LENS PRODUCTION IN IMAGING APPLICATIONS Public/Granted day:2011-05-12
Information query
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