Patent ID: 9460908
Filing Date: 2016-10-04
CPC Classification: B28D,C01B,C30B,H01L

Claim Text:
1. A method for slicing a crystalline material ingot, the method comprising: providing a crystalline material boule characterized by a cropped structure including a first end-face, a second end-face, and a length along an axis in a first crystallographic direction substantially extending from the first end-face to the second end-face; cutting the crystalline material boule substantially through a first crystallographic plane in parallel to the axis to separate the crystalline material boule into a first portion with a first surface and a second portion with a second surface, wherein the first surface of the first portion is a planar surface substantially along the first crystallographic plane, and the second surface of the second portion is a planar surface substantially along the first crystallographic plane; exposing either the first surface of the first portion or the second surface of the second portion; and performing a layer transfer process to form a crystalline material sheet from either the first surface of the first portion or from the second surface of the second portion.