FIELD: physics.
SUBSTANCE: invention relates to production of solid semiconductors, particularly, to silicon as ingots or strips used for fabrication of photovoltaic element substrates. Proposed method comprises the stages of semiconductor melt preparation from the semiconductor first portion including doping admixtures and solidification of fused semiconductor. Additionally, it comprises addition in one or several steps during solidification of extra semiconductor portions also containing doping admixtures to semiconductor melt.
EFFECT: desirable and invariable conductivity.
13 cl, 4 dwg
Title | Year | Author | Number |
---|---|---|---|
METHOD OF REFINING METALLURGICAL SILICON WITH DRY ARGON PLASMA WITH INJECTION OF WATER ONTO MELT SURFACE WITH SUBSEQUENT DIRECTED CRYSTALLISATION | 2010 |
|
RU2465199C2 |
METHOD FOR PRODUCING DIRECT THERMOELECTRIC ENERGY CONVERSION APPARATUS | 2002 |
|
RU2295801C2 |
METHOD OF REFINING METALLURGICAL SILICON | 2011 |
|
RU2465200C1 |
METHOD OF CLEANING METALLURGICAL SILICON FROM IMPURITIES | 2018 |
|
RU2693172C1 |
PROCESS FOR MANUFACTURE OF HOMOGENEOUSLY ALLOYED SILICON | 1991 |
|
RU2023769C1 |
METHOD OF PRODUCING POLYCRYSTALLINE SILICON INGOTS | 2011 |
|
RU2465201C1 |
MAGNETICALLY SOFT AMORPHOUS ALLOY | 2004 |
|
RU2269173C2 |
METHOD OF PRODUCING ALLOY INGOT | 2010 |
|
RU2494158C1 |
METHOD OF PRODUCING SILICON POLYCRYSTALS | 2014 |
|
RU2570084C1 |
METHOD OF ALLOYING SILICON | 2014 |
|
RU2597389C2 |
Authors
Dates
2014-05-10—Published
2009-12-23—Filed