Ikhwalithi ephezulu D5010437049 5010437049 3682610-C0100 Inzwa Yokucindezela Komoya
Imininingwane
Uhlobo Lokumaketha:Umkhiqizo Oshisayo wango-2019
Indawo Yomsuka:I-Zhejiang, China
I gama le-brand:INKUNZI ENDIZAYO
Isiqinisekiso:1 Unyaka
Uhlobo:inzwa yokucindezela
Ikhwalithi:Ikhwalithi ephezulu
Isevisi yangemuva kokuthengisa Ihlinzekiwe:Ukusekela ku-inthanethi
Ukupakisha:Ukupakisha Okumaphakathi
Isikhathi sokuthumela:Izinsuku ezingu-5-15
Isingeniso somkhiqizo
Izinzwa zokucindezela kwe-Semiconductor zingahlukaniswa zibe izigaba ezimbili, eyodwa isekelwe esimisweni sokuthi izici ze-I-υ ze-semiconductor PN junction (noma i-schottky junction) zishintsha ngaphansi kokucindezeleka. Ukusebenza kwalesi sici esizwela ukucindezela akuzinzile futhi akukakathuthukiswa kakhulu. Enye inzwa esekelwe kumphumela we-semiconductor piezoresistive, okuyizinhlobonhlobo eziyinhloko zenzwa yokucindezela kwe-semiconductor. Ezinsukwini zokuqala, ama-semiconductor strain gauge ayexhunywe kakhulu ezintweni ezinwebekayo ukuze enze amathuluzi okulinganisa okucindezeleka okuhlukahlukene. Ngo-1960s, ngokuthuthukiswa kobuchwepheshe besekethe obuhlanganisiwe be-semiconductor, inzwa yokucindezela kwe-semiconductor ene-diffusion resistor njengoba kwavela isici se-piezoresistive. Lolu hlobo lwenzwa yokucindezela lunesakhiwo esilula nesinokwethenjelwa, azikho izingxenye ezihambisanayo ezihambayo, futhi isici esibucayi sokucindezela kanye nesici esinwebekayo senzwa sihlanganisiwe, esigwema i-mechanical lag kanye nokukhasa futhi sithuthukise ukusebenza kwenzwa.
Umphumela we-Piezoresistive we-semiconductor Semiconductor unesici esihlobene namandla angaphandle, okungukuthi, ukumelana (okumelelwa uphawu ρ) kuyashintsha nokucindezeleka okuthwalayo, okubizwa ngokuthi umphumela we-piezoresistive. Ushintsho oluhlobene lokumelana nokumelana ngaphansi kwesenzo sokucindezelwa kweyunithi kubizwa nge-piezoresistive coefficient, evezwa uphawu π. Kuvezwe ngokwezibalo ngokuthi ρ/ρ = π σ.
Lapho u-σ emelela ingcindezi. Ukuguqulwa kwenani lokumelana (R/R) okubangelwa ukumelana kwe-semiconductor ngaphansi kwengcindezi ikakhulukazi kunqunywa ukuguqulwa kokumelana, ngakho ukuvezwa komphumela we-piezoresistive kungabuye kubhalwe ngokuthi R/R=πσ.
Ngaphansi kwesenzo samandla angaphandle, ingcindezi ethile (σ) kanye nohlobo (ε) kukhiqizwa ngamakristalu esemiconductor, futhi ubudlelwano phakathi kwakho bunqunywa imodulus (Y) ka-Young yento, okungukuthi, Y=σ/ε.
Uma umphumela we-piezoresistive uvezwa ubunzima ku-semiconductor, kungu-R/R=Gε.
I-G ibizwa ngokuthi i-sensitivity factor yenzwa yokucindezela, emele ushintsho oluhlobene lwevelu yokumelana ngaphansi kobunzima beyunithi.
I-piezoresistive coefficient noma isici sokuzwela ipharamitha eyisisekelo ye-semiconductor piezoresistive effect. Ubudlelwano phakathi kwabo, njengobudlelwano phakathi kwengcindezi nobunzima, bunqunywa imodulus ye-Young yento, okungukuthi, g = π y.
Ngenxa ye-anisotropy yamakristalu e-semiconductor ekunwebekani, i-Young's modulus kanye ne-piezoresistive coefficient iyashintsha ngokuma kwekristalu. Ubukhulu bomphumela we-semiconductor piezoresistive nawo buhlobene eduze nokumelana kwe-semiconductor. I-resistivity ephansi, i-sensitivity factor encane. Umphumela we-piezoresistive wokumelana nokusabalalisa unqunywa ukuma kwekristalu nokugxila kokungcola kokumelana nokusabalalisa. Ukugxiliswa kokungcola ikakhulukazi kubhekisela ekugxilweni kokungcola okungaphezulu kwesendlalelo sokusabalalisa.