The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
Jan. 06, 2026
Filed:
Nov. 29, 2022
Semiconductor Energy Laboratory Co., Ltd., Atsugi, JP;
Shunpei Yamazaki, Setagaya, JP;
Semiconductor Energy Laboratory Co., Ltd., Atsugi, JP;
Abstract
A novel material and a transistor including the novel material are provided. One embodiment of the present invention is a composite oxide including at least two regions. One of the regions includes In, Zn and an element M1 (the element M1 is one or more of Al, Ga, Si, B, Y, Ti, Fe, Ni, Ge, Zr, Mo, La, Ce, Nd, Hf, Ta, W, Mg, V, Be, and Cu) and the other of the regions includes In, Zn, and an element M2 (the element M2 is one or more of Al, Ga, Si, B, Y, Ti, Fe, Ni, Ge, Zr, Mo, La, Ce, Nd, Hf, Ta, W, Mg, V, Be, and Cu). In an analysis of the composite oxide by energy dispersive X-ray spectroscopy, the detected concentration of the element M1 in a first region is less than the detected concentration of the element M2 in a second region, and a surrounding portion of the first region is unclear in an observed mapping image of the energy dispersive X-ray spectroscopy.