Probe for pulse oxymeters
AssigneeStanley Electric Co., Ltd.
InventorsHiroto FUKUSHIMA, Tsukasa IMURA
Life of this patent
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Abstract
A probe includes a ring-shaped base material to be attached to a finger of a subject, a flexible film mounted on an inner circumferential surface of the ring-shaped base material, and a light-emitting element and a light-receiving element mounted on the film at positions facing each other across a finger of the ring-shaped base material. The ring-shaped base material has a C-shaped cross section and is flexible. The light-emitting element and the light-receiving element are both bare chips, and are directly bonded to wiring provided on a surface of the film. The surroundings of light-emitting element and the light-receiving element are sealed with a transparent sealing material.
Claims9
A probe for a pulse oximeter comprising:
- a ring-shaped base material to be attached to a finger of a subject;
- a flexible film mounted on an inner circumferential surface of the ring-shaped base material;
- and
- a semiconductor light-emitting element and a semiconductor light-receiving element mounted on the film at positions facing each other across the finger of the ring-shaped base material, wherein
- the ring-shaped base material is partially cut out in a circumferential direction, has a C-shaped cross section, and is flexible,
- each of the semiconductor light-emitting element and the semiconductor light-receiving element is a bare chip including a semiconductor layer and a pair of electrodes provided on the semiconductor layer, the pair of electrodes of the semiconductor light-emitting element and the semiconductor light-receiving element are directly bonded to wiring provided on a surface of the film,
- surroundings of the semiconductor light-emitting element and the semiconductor light-receiving element are each sealed with a sealing material that transmits the light emitted by the semiconductor light-emitting element, and
- the semiconductor light-emitting element emits light toward the finger, and the semiconductor light-receiving element receives light that is emitted from the semiconductor light-emitting element and passes through the finger.
Dependencies are inferred from the claim text.