公开(公告)号：US20210179866A1

公开(公告)日：2021-06-17

申请号：US17182814

申请日：2021-02-23

Applicant: UNIVERSITY OF ELECTRONIC SCIENCE AND TECHNOLOGY OF CHINA

Inventor： Guoyun ZHOU ,  Yan HONG ,  Jiujuan Li ,  Wei HE ,  Yuanming CHEN ,  Shouxu WANG ,  Dainan ZHANG ,  Chong WANG

IPC: C09D5/24 ,  C09D165/00 ,  C25D3/38 ,  C25D21/10 ,  C25D5/56

Abstract: A composite conductive polymer, a preparation method thereof and application thereof are disclosed, wherein a mixed solution A is used in the preparation process of the composite conductive polymer, which comprises the following two components: (i) a strong oxidant selected from at least one of permanganate, persulfate, dichromate and perchlorate; (ii) an oxidizing agent containing a metal ion capable of being reduced to elementary substance. The preparation process is simple and easy to operate, with low cost and favorable environmental protection and the obtained composite conductive polymer containing metal in elementary form, has good film-forming property and the film thereof can completely cover the surface of the insulating substrate, with excellent electrical conductivity, which therefore can be widely used in electroplating materials and semiconductor materials and other fields.

公开(公告)号：US20210058091A1

公开(公告)日：2021-02-25

申请号：US16703828

申请日：2019-12-04

Applicant: University of Electronic Science and Technology of China

Inventor： Hua FAN ,  Chen WANG ,  Peng LEI ,  Dainan ZHANG ,  Quanyuan FENG ,  Lang FENG ,  Xiaopeng DIAO ,  Dagang LI ,  Kelin ZHANG ,  Daqian HU ,  Yuanjun CEN

IPC: H03M1/10 ,  H03M1/46

Abstract: A method of calibrating capacitive array of a resistor-capacitor hybrid successive approximation register analog-to-digital converter (RC-hybrid SAR ADC) that includes a high M-bit capacitor DAC and a low N-bit resistor DAC. The method includes: disposing n unit capacitors in each capacitive array of the RC-hybrid SAR ADC, wherein n=2M−1; sorting the capacitors in an ascending order according to their capacitances to form a sorted array, and selecting two capacitors Cu(n/2)*, Cu(n/2+1)* in the middle positions as a least significant bit (LSB) capacitor and a dummy capacitor, respectively; 4) obtaining a new array by forming each capacitor through adding two capacitors which have symmetrical positions with respect to the middle position(s) in the sorted array; and sorting the new array in an ascending order, and selecting the capacitor in the middle position as a higher bit capacitor. The method improves the static and dynamic performance of the SAR. ADC