公开(公告)号：US11880773B2

公开(公告)日：2024-01-23

申请号：US16926064

申请日：2020-07-10

Applicant: ELECTRONICS AND TELECOMMUNICATIONS RESEARCH INSTITUTE

Inventor： Chulho Kim ,  Ock Kee Baek ,  Inmoon Choi

IPC: G06N5/01 ,  G06F16/901 ,  G06F17/15 ,  G06N20/00

CPC classification number: G06N5/01 ,  G06F16/9027 ,  G06F17/15 ,  G06N20/00

Abstract: An apparatus and a method for performing machine learning by executing steps of: generating a decision tree-based machine learning model based on training data; selecting two variables from a decision tree of the machine learning model and determining a correlation between two selected variables; and performing the machine learning based on determined correlation are provided.

公开(公告)号：US10170641B2

公开(公告)日：2019-01-01

申请号：US15431926

申请日：2017-02-14

Applicant: ELECTRONICS AND TELECOMMUNICATIONS RESEARCH INSTITUTE

Inventor： Chulho Kim ,  Dong Seung Kwon ,  Bonghyuk Park ,  Young-Kyun Cho

IPC: H01L29/868 ,  H01L23/528 ,  H01L23/66 ,  H01L27/08 ,  H01L29/06

Abstract: A vertical positive-intrinsic-negative (pin) diode includes a semiconductor substrate in which a P-type region, an intrinsic region, and an N-type region are sequentially disposed in a vertical direction to be formed therein, a first electrode formed on one surface of the semiconductor substrate to be in electrical contact with the P-type region, and a second electrode formed on the other surface of the semiconductor substrate to be in electrical contact with the N-type region, wherein the P-type region and the N-type region are respectively disposed in an upper portion and a lower portion of the semiconductor substrate to be opposite to each other.