RO82516B1 - Procedeu de obtinere a siliciului monocristalin de tip n - Google Patents

Procedeu de obtinere a siliciului monocristalin de tip n

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Publication number
RO82516B1
RO82516B1 RO108121A RO10812182A RO82516B1 RO 82516 B1 RO82516 B1 RO 82516B1 RO 108121 A RO108121 A RO 108121A RO 10812182 A RO10812182 A RO 10812182A RO 82516 B1 RO82516 B1 RO 82516B1
Authority
RO
Romania
Prior art keywords
degree
degrees
monocrystalline silicon
type
irradiation
Prior art date
Application number
RO108121A
Other languages
English (en)
Other versions
RO82516A2 (ro
Inventor
Eugenia Maria Lucia Halmagean
Gheorghe Viisoreanu
Original Assignee
îNTREPRINDEREA DE PIESE RADIO SI SEMICONDUCTOARE
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 îNTREPRINDEREA DE PIESE RADIO SI SEMICONDUCTOARE filed Critical îNTREPRINDEREA DE PIESE RADIO SI SEMICONDUCTOARE
Priority to RO108121A priority Critical patent/RO82516B1/ro
Publication of RO82516A2 publication Critical patent/RO82516A2/ro
Publication of RO82516B1 publication Critical patent/RO82516B1/ro

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Abstract

Inventia se refera la un procedeu de obtinere a siliciului monocristalin de tip N dopat prin transmutatie nucleara din siliciu monocristalin de tip P. Procedeul, conform inventiei, prevede folosirea lingourilor de siliciu monocristaline de tip P cu rezistivitati initiale între 250-8000 (vezi semnul) care sunt degresate prin trecerea succesiva în detergent fara ioni metalici, la ultrasunete, în acid fluorhidric, în acid azotic, în apa deionizata si acetona si apoi uscate, calcularea timpului de expunere în flux de neutroni termici si rapizi, functie de caracteristicile materialului initial si final, iradierea conform rezultatului obtinut din calcule, masurarea activitatii si repetarea spalarilor efectuate înainte de iradiere, tratarea termica pentru înlaturarea microstructurilor induse de componenta rapida a fluxului de neutroni, în atmosfera controlata (O2, N2, BBr3) prin încalzirea lenta cu 1,5 degree C/min de la temperatura de 600 degree C la 1200 degree C, mentinerea în palier 1-3h la 1200 degree C urmata de o racire cu 1 degree C/min de la 1200 degree C la 600 degree C, prelucrarea chimica si mecanica a suprafetei lingourilor pentru înlaturarea stratului contaminat în timpul iradierii si a tratamentului termic si, în final masuratori pentru caracterizarea materialului obtinut.
RO108121A 1982-07-09 1982-07-09 Procedeu de obtinere a siliciului monocristalin de tip n RO82516B1 (ro)

Priority Applications (1)

Application Number Priority Date Filing Date Title
RO108121A RO82516B1 (ro) 1982-07-09 1982-07-09 Procedeu de obtinere a siliciului monocristalin de tip n

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
RO108121A RO82516B1 (ro) 1982-07-09 1982-07-09 Procedeu de obtinere a siliciului monocristalin de tip n

Publications (2)

Publication Number Publication Date
RO82516A2 RO82516A2 (ro) 1984-04-02
RO82516B1 true RO82516B1 (ro) 1984-04-30

Family

ID=20111808

Family Applications (1)

Application Number Title Priority Date Filing Date
RO108121A RO82516B1 (ro) 1982-07-09 1982-07-09 Procedeu de obtinere a siliciului monocristalin de tip n

Country Status (1)

Country Link
RO (1) RO82516B1 (ro)

Also Published As

Publication number Publication date
RO82516A2 (ro) 1984-04-02

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