Thin film semiconductor device, polycrystalline...

Semiconductor device manufacturing: process – Making field effect device having pair of active regions... – On insulating substrate or layer

Reexamination Certificate

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C438S486000, C438S795000

Reexamination Certificate

active

10862399

ABSTRACT:
A process for producing an image display device using a thin film semiconductor device is provided which includes forming a polycrystalline semiconductor thin film on a substrate. A substantially belt-shaped crystal is formed which is crystallized so as to grow crystal grains in a direction substantially parallel to a scanning direction of a CW laser beam by scanning the CW laser beam along the substrate, thereby irradiating the CW laser beam on portions of the polycrystalline semiconductor thin film formed onto the substrate.

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