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US 12,722,230 B2Granted
Scale, encoder and manufacturing method of scale
AssigneeMitutoyo Corporation
InventorKosaku Miyake
Life of this patent
Estimating the term…
Abstract
A scale includes a glass substrate having a frosted glass-like upper surface, a plurality of conductor patterns arranged at predetermined intervals on the upper surface of the glass substrate, and a formation provided on a lower surface of the glass substrate.
Claims18
A scale comprising:
- a glass substrate having a frosted glass-like upper surface;
- a plurality of conductor patterns arranged at predetermined intervals on the frosted glass-like upper surface of the glass substrate;
- and
- a formation provided on a lower surface of the glass substrate.
1 more element
A manufacturing method of a scale comprising:
- roughening an upper surface of a glass substrate into a frosted glass state;
- forming a formation on a lower surface of the glass substrate;
- and
- after roughening the upper surface of the glass substrate into the frosted glass state and forming the formation, forming a plurality of conductor patterns arranged at predetermined intervals on the frosted glass state upper surface of the glass substrate by laser processing.
1 more element
A scale comprising:
- a glass substrate having a frosted glass-like upper surface;
- a plurality of conductor patterns arranged at predetermined intervals on the upper surface of the glass substrate;
- and
- a formation provided on a lower surface of the glass substrate
- wherein the upper surface of the glass substrate under the plurality of conductor patterns and between adjacent conductor patterns is in a frosted glass state.
2 more elements
Dependencies are inferred from the claim text.