RO83229B1 - Procedeu de pasivare a jonctiunilor semiconductoare mesa - Google Patents

Procedeu de pasivare a jonctiunilor semiconductoare mesa

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Publication number
RO83229B1
RO83229B1 RO108570A RO10857082A RO83229B1 RO 83229 B1 RO83229 B1 RO 83229B1 RO 108570 A RO108570 A RO 108570A RO 10857082 A RO10857082 A RO 10857082A RO 83229 B1 RO83229 B1 RO 83229B1
Authority
RO
Romania
Prior art keywords
addition
mesa
chlorinated compounds
silicon
thermal oxide
Prior art date
Application number
RO108570A
Other languages
English (en)
Other versions
RO83229A2 (ro
Inventor
Adrian Veron
Sever Nicolae Grigorescu
Marian Udrea Spenea
Original Assignee
Adrian Veron
Sever Nicolae Grigorescu
Marian Udrea Spenea
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Adrian Veron, Sever Nicolae Grigorescu, Marian Udrea Spenea filed Critical Adrian Veron
Priority to RO108570A priority Critical patent/RO83229B1/ro
Publication of RO83229A2 publication Critical patent/RO83229A2/ro
Publication of RO83229B1 publication Critical patent/RO83229B1/ro

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Abstract

Inventia se refera la un procedeu de pasivare a jonctiuniilor semiconductoare mesa din siliciu utilizate pentru realizarea dispozitivelor semiconductoare de putere si înalta tensiune. Procedeul, conform inventiei, în scopul evitarii contaminarii ionice a suprafetei jonctiunilor mesa si eliminarii fluctuatiilor stocate în starile de interfata, prevede cresterea direct pe suprafasa siliciului decapat chimic a unui strat de oxid termic cu adaus de compusi clorurati de grosdime 5000..... 8000 A si acoperirea lui cu un strat de sticla de grosime aproximativ egala cu adîncimea santului mesa. în scopul obtinerii pe plachetele de siliciu a oxidului termic cu adaus de compusi clorurati, la temperaturi de 900.....1000 degree C, în acelasi cuptor de oxidare se efectueaza succesiv o oxidare uscata umeda timp de 5....6h o oxidare uscata cu adaus de compusi clorurati (HCl, CHCl3, Cl2) cu o concentratie volumica de 0,5.....1% timp de 1...2h si un tratament final pe N2 uscat timp de 15....30 min.
RO108570A 1982-09-06 1982-09-06 Procedeu de pasivare a jonctiunilor semiconductoare mesa RO83229B1 (ro)

Priority Applications (1)

Application Number Priority Date Filing Date Title
RO108570A RO83229B1 (ro) 1982-09-06 1982-09-06 Procedeu de pasivare a jonctiunilor semiconductoare mesa

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
RO108570A RO83229B1 (ro) 1982-09-06 1982-09-06 Procedeu de pasivare a jonctiunilor semiconductoare mesa

Publications (2)

Publication Number Publication Date
RO83229A2 RO83229A2 (ro) 1984-03-15
RO83229B1 true RO83229B1 (ro) 1984-03-30

Family

ID=20111997

Family Applications (1)

Application Number Title Priority Date Filing Date
RO108570A RO83229B1 (ro) 1982-09-06 1982-09-06 Procedeu de pasivare a jonctiunilor semiconductoare mesa

Country Status (1)

Country Link
RO (1) RO83229B1 (ro)

Also Published As

Publication number Publication date
RO83229A2 (ro) 1984-03-15

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