# US 2014/0190412 A1 · Apparatus for fabricating ingot

> Agents: this data is available as JSON from the patentgrep API and MCP server — see https://patentgrep.com/llms.txt

- Number: US 2014/0190412 A1
- Document ID: US20140190412A1
- Status: Published application
- Kind: A1
- Application number: 14/122,101
- Filed: 2012-05-24
- Published: 2014-07-10
- Earliest claimed: 2011-05-24
- Assignees: LG Innotek Co., Ltd.
- Inventors: Bum Sup Kim; Dong Geun Shin
- Web page: https://patentgrep.com/patent/US20140190412A1

## CPC

- C30B 23/005: {Controlling or regulating flux or flow of depositing species or vapour}
- B01D 63/087: {Single membrane modules}
- B01D 71/021: {Carbon}
- C30B 23/00: Single-crystal growth by condensing evaporated or sublimed materials
- C30B 29/36: Carbides
- C30B: SINGLE-CRYSTAL GROWTH (by using ultra-high pressure, e.g. for the formation of diamonds, B01J3/06); UNIDIRECTIONAL SOLIDIFICATION OF EUTECTIC MATERIAL OR UNIDIRECTIONAL DEMIXING OF EUTECTOID MATERIAL; REFINING BY ZONE-MELTING OF MATERIAL (zone-refining of metals or alloys C22B); PRODUCTION OF A HOMOGENEOUS POLYCRYSTALLINE MATERIAL WITH DEFINED STRUCTURE (casting of metals, casting of other substances by the same processes or devices B22D; working of plastics B29; modifying the physical structure of metals or alloys C21D, C22F); SINGLE CRYSTALS OR HOMOGENEOUS POLYCRYSTALLINE MATERIAL WITH DEFINED STRUCTURE; AFTER-TREATMENT OF SINGLE CRYSTALS OR A HOMOGENEOUS POLYCRYSTALLINE MATERIAL WITH DEFINED STRUCTURE (for producing semiconductor devices or parts thereof H10); APPARATUS THEREFOR
- B01D: SEPARATION (separating solids from solids by wet methods B03B, B03D; by pneumatic jigs or tables B03B; by other dry methods B07; magnetic or electrostatic separation of solid materials from solid materials or fluids, separation by high-voltage electric fields B03C; centrifuges, vortex apparatus B04; presses per se for squeezing-out liquid from liquid-containing material B30B9/02; treatment of water C02F, e.g. softening by ion-exchange C02F1/42; {arrangements of air intake cleaners in gas turbine plants F02C7/05} ; arrangements or mounting of filters in air-conditioning, air-humidification or ventilation F24F13/28)

## Abstract

Disclosed is an apparatus for fabricating an ingot. The apparatus includes a crucible to receive a raw material, and a filter part to allow a specific component in the crucible to selectively pass through the filter part. The raw material includes silicon and carbon.

## Claims

### Claim 1

An apparatus for fabricating an ingot, the apparatus comprising:
a crucible to receive a raw material; and
a filter part to allow a specific component in the crucible to selectively pass through the filter part, wherein the raw material includes silicon and carbon.

### Claim 2 (depends on 1)

The apparatus of claim 1, wherein the raw material includes polycarbosilane.

### Claim 3 (depends on 1)

The apparatus of claim 1, wherein the filter part adsorbs carbon impurities.

### Claim 4 (depends on 1)

The apparatus of claim 1, wherein the filter part includes a membrane.

### Claim 5 (depends on 1)

The apparatus of claim 1, wherein the filter part is placed on the raw material.

### Claim 6 (depends on 1)

The apparatus of claim 1, wherein the filter part has a thickness in a range of 1 mm to 10 cm.

### Claim 7 (depends on 1)

The apparatus of claim 1, wherein the filter part has a porous structure.

### Claim 8 (depends on 4)

The apparatus of claim 4, wherein the membrane includes a carbonbased membrane.