Dynamic information storage or retrieval – Specific detail of information handling portion of system – Mechanical modification or sensing of storage medium
Patent
1982-03-09
1984-02-21
Stephan, Steven L.
Dynamic information storage or retrieval
Specific detail of information handling portion of system
Mechanical modification or sensing of storage medium
29423, 164132, 4274197, 428366, 428 36, G11B 302, G11B 346
Patent
active
044334087
ABSTRACT:
A cantilever for a pickup cartridge comprising a base in the form of a solid rod or a pipe coated with a layer of a substance exhibiting a high modulus of elasticity ratio higher than 5000 Kg/mm.sup.2. The substance is for example boron or a boride.
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patent: 3961797 (1976-06-01), Tsukagoshi
patent: 3983335 (1976-09-01), Nemoto
patent: 4254184 (1981-03-01), Tsukagoshi et al.
patent: 4382454 (1983-05-01), Aoki et al.
Aoki Masaki
Azuma Koichi
Nagasawa Masahiro
Yamazoe Hiroshi
Matsushita Electric - Industrial Co., Ltd.
Stephan Steven L.
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