SU1625263A1 - METHOD FOR OBTAINING SILICON EPITAXIAL LAYERS OF CONDUCTIVITY R-TYPE - Google Patents

METHOD FOR OBTAINING SILICON EPITAXIAL LAYERS OF CONDUCTIVITY R-TYPE

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Publication number
SU1625263A1
SU1625263A1 SU4678375/25A SU4678375A SU1625263A1 SU 1625263 A1 SU1625263 A1 SU 1625263A1 SU 4678375/25 A SU4678375/25 A SU 4678375/25A SU 4678375 A SU4678375 A SU 4678375A SU 1625263 A1 SU1625263 A1 SU 1625263A1
Authority
SU
USSR - Soviet Union
Prior art keywords
temperature
epitaxy
epitaxial layers
gap
silicon epitaxial
Prior art date
Application number
SU4678375/25A
Other languages
Russian (ru)
Inventor
А.В. Балюк
Б.М. Середин
В.Н. Лозовский
А.С. Полухин
Original Assignee
Новочеркасский политехнический институт им. Серго Орджоникидзе
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.)
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Publication date
Application filed by Новочеркасский политехнический институт им. Серго Орджоникидзе filed Critical Новочеркасский политехнический институт им. Серго Орджоникидзе
Priority to SU4678375/25A priority Critical patent/SU1625263A1/en
Application granted granted Critical
Publication of SU1625263A1 publication Critical patent/SU1625263A1/en

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Abstract

Способ получения кремниевых эпитаксиальных слоев р-типа проводимости, включающий создание узкого зазора между подложкой и пластиной-источником на основе поликристаллического кремния, нагрев системы до температуры эпитаксии, введение в зазор насыщенного при температуре эпитаксии раствора кремния в расплаве алюминия, изотермическую выдержку системы в поле градиента температуры до полной перекристаллизации материала источника на подложку, отличающийся тем, что, с целью снижения удельного сопротивления слоев, в качестве источника используют материал состава Si(BO), где x=90-95 мас.%, ширину зазора устанавливают в пределах 30-60 мкм, эпитаксию ведут в диапазоне температур 1320-1470 K, причем дополнительно изменяют среднюю температуру относительно выбранной температуры эпитаксии на 5-10 K, с частотой 0,06-1 Гц.The method of obtaining silicon epitaxial layers of p-type conductivity, including the creation of a narrow gap between the substrate and the source plate based on polycrystalline silicon, heating the system to an epitaxy temperature, introducing into the gap an aluminum melt saturated at the temperature of epitaxy, isothermal holding the system in a gradient field temperature until complete recrystallization of the source material on the substrate, characterized in that, in order to reduce the resistivity of the layers, as a source of The material of the composition Si (BO), where x = 90-95 wt.%, is set, the width of the gap is set within 30-60 μm, the epitaxy is carried out in the temperature range 1320-1470 K, and the average temperature with respect to the selected epitaxy temperature is additionally changed by 5- 10 K, with a frequency of 0.06-1 Hz.

SU4678375/25A 1989-04-18 1989-04-18 METHOD FOR OBTAINING SILICON EPITAXIAL LAYERS OF CONDUCTIVITY R-TYPE SU1625263A1 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
SU4678375/25A SU1625263A1 (en) 1989-04-18 1989-04-18 METHOD FOR OBTAINING SILICON EPITAXIAL LAYERS OF CONDUCTIVITY R-TYPE

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
SU4678375/25A SU1625263A1 (en) 1989-04-18 1989-04-18 METHOD FOR OBTAINING SILICON EPITAXIAL LAYERS OF CONDUCTIVITY R-TYPE

Publications (1)

Publication Number Publication Date
SU1625263A1 true SU1625263A1 (en) 2016-04-10

Family

ID=60529929

Family Applications (1)

Application Number Title Priority Date Filing Date
SU4678375/25A SU1625263A1 (en) 1989-04-18 1989-04-18 METHOD FOR OBTAINING SILICON EPITAXIAL LAYERS OF CONDUCTIVITY R-TYPE

Country Status (1)

Country Link
SU (1) SU1625263A1 (en)

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