Invention Grant
- Patent Title: Magnet and method for manufacturing a magnet
- Patent Title (中): 磁铁及其制造方法
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Application No.: US823669Application Date: 1997-03-24
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Publication No.: US5932498APublication Date: 1999-08-03
- Inventor: John Beeteson , Andrew Knox , Christopher Carlo Pietrzak
- Applicant: John Beeteson , Andrew Knox , Christopher Carlo Pietrzak
- Applicant Address: NY Armonk
- Assignee: International Business Machines Corporation
- Current Assignee: International Business Machines Corporation
- Current Assignee Address: NY Armonk
- Priority: GBX9614682 19960712
- Main IPC: C03C4/04
- IPC: C03C4/04 ; C03C14/00
Abstract:
A chemically-machinable glass-magnet composition comprising a photosensitive chemically machinable glass having a magnetic material in admit therewith, wherein the photosensitive chemically machinable glass is formed of SiO.sub.2 --Li.sub.2 O--Al.sub.2 O.sub.3 containing photosensitive materials selected from silver, gold and copper and a cerium dioxide sensitizer; and the magnetic material is a Ni-Cu-Zn ferrite.
Public/Granted literature
- US5217101A Apparatus for merging mass flows of rod-shaped articles of the tobacco processing industry Public/Granted day:1993-06-08
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