Semiconductor device, optical print head and image forming apparatus
AssigneeOki Data Corporation
InventorsMitsuhiko Ogihara, Hiroyuki Fujiwara, Tomohiko Sagimori
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Abstract
A semiconductor device and an optical print head, an image forming apparatus that has the semiconductor device are supplied capable of reduce occurrence probability of defect. The semiconductor device is formed by using semiconductor thin film bonded on the substrate, and includes a covering layer that covers at least one part region of the semiconductor thin film and covers at least one part of electroconductive member connecting with the semiconductor thin film.
Claims17
A semiconductor device formed by using a semiconductor thin film bonded by intermolecular force on a substrate, the semiconductor device comprising:
- at least two laterally spaced-apart semiconductor thin films;
- a semiconductor element formed in each semiconductor thin film, the semiconductor element having a light emitting region;
- a covering layer covering at least an entire outer perimeter of each semiconductor thin film and covering at least one part of an electroconductive member connecting with the semiconductor thin films, the covering layer having an opening portion which leaves open the light emitting region;
- and
- a passivation film layer between each semiconductor thin film and the covering layer, the passivation film layer covering the entire light emitting region.
An optical print head comprising:
- a semiconductor device formed by using at least two laterally spaced-apart semiconductor thin films bonded by intermolecular force on a substrate,
- a semiconductor element formed in each semiconductor thin film, the semiconductor element having a light emitting region, a covering layer covering at least an entire outer perimeter of each semiconductor thin film and covering at least one part of an electroconductive member connecting with the semiconductor thin films, the covering layer having an opening portion which leaves open the light emitting region, and a passivation film layer between each semiconductor thin film and the covering layer, the passivation film layer covering the entire light emitting region.
An image forming apparatus comprising:
- an optical print head comprising a semiconductor device formed by using at least two laterally spaced-apart semiconductor thin films bonded by intermolecular force on a substrate
- a semiconductor element formed in each semiconductor thin film, the semiconductor element having a light emitting region, a covering layer covering at least an entire outer perimeter of each semiconductor thin film and covering at least one part of an electroconductive member connecting with the semiconductor thin films, the covering layer having an opening portion which leaves open the light emitting region, and a passivation film layer between each semiconductor thin film and the covering layer, the passivation film layer covering the entire light emitting region.
Dependencies are inferred from the claim text.