SILFINE Co., Ltd.

As the leader of Recycling business in the semiconductor industry, SILFINE is protecting not only the intellectual property but also re-creating the high value of semi and solar wasted materials through our own core technologies 7RS.

Care about the Earth......

SILFINE!!

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374-2, Shinsuri, Eumbongmyeon, AsanCity, Chungnam, 336-862, KOREA.
Tel +82 (0)41 552 5200 Fax +82 (0)41 552 5300
http://www.silfine.com e-mail : info@silfine.com

GRS(Gold Recovery System)

1. Outline
This is a SILFINE recycling system which effectively retrieves gold from chip and slurry disposed through the semiconductor and electronic industries for processing, creating a high value-added business item.

2. The Characteristics and Strengths of GRP Technology
- Gold extraction from solid state (dry method)
- Gold extraction from dissolved liquid (wet method)
- High-purity refinement after precipitation in solid state (refinement system)
- Highly efficient extracting and refining system

3. Properties
- Shape : bar, rod, ingot
- Purity : 99.5%

4. Product Application
- Jewelry, electronics industry

5. Work flow
- Gold-contained (solid and liquid form)
- Material treatment
- Solidify
- Refinement
- Packaging
- Gold

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Address : 374-2, Shinsuri, Eumbongmyeon, AsanCity, Chungnam, 336-862, KOREA.
Tel +82 (0)41 552 5200 Fax +82 (0)41 552 5300
http://www.silfine.com/ , e-mail : info@silfine.com

FRS(Foam glass Recovery System)

1. Outline
This is a recycling system using glass waste occurred from various industrial sites and display industries.
Using SILFINE own material technology, the pore size and distribution are controlled in the product in order to be used as lightweight aggregate, water processing filter, insulator and permeable blocks.

2. The Characteristics and Strengths of FRS Technology
- Original foaming material
- Product specification control according to customer request
- Environment-friendly business
- Functional differentiation from existing structural materials

3. Properties
■ Lightweight Material
Density : 0.2 ~ 0.8
Color : Various
Saturation Size : Customer spec
Saturation Type : Closed or opened

■ Permeable Block
Shape : Brick shape
Color : Various
Permeability : Higher than 98%


4. Product Application
■ Lightweight Material: construction, structure, insulator, soundproof, purification filter for water treatment
■ Permeable Block: blocks for sidewalks, fountains, roadside tree surrounds

5. WORK FLOW
- Waste glass
- Shaping
- Molding
- Surface processing
- Inspection/packaging
- Foaming glass & permeable block

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Address : 374-2, Shinsuri, Eumbongmyeon, AsanCity, Chungnam, 336-862, KOREA.
Tel +82 (0)41 552 5200 Fax +82 (0)41 552 5300
http://www.silfine.com/ , e-mail : info@silfine.com

MRS(Mask Reclaim System)

1. Outline
MRS is a system that recycles photomask disposed from the semiconductor industry to use as reclaimable photomask and optical material after precision cleaning process.
SILFINE has introduced its own continuous automated system to increase productivity, and is leading the way to customer satisfaction with quality assurance and control.

2. The Characteristics and Strengths of MRS Technology
▷ Use wasted photomask as reclaimable photomask.
▷ Used as material for high-qualified optical industries
▷ One-stop service for the whole process
▷ Creation of value-added through recycling semiconductor waste

3. Properties
▷ size : 5009/6009/6012/6025/others
▷ shape : square type
▷ material : ultra pure synthetic fused silica (quartz)
▷ traits : excellent UV transmission


4. Application
▷ 1. Semi-Grade Reclaimable Photomask
▷ 2. Optical & Visual Substrates : Filter, Mirror, Optical Window, Prism, etc

5. Work FLOW
▷ Work flow (Reclaimable photomask)
▷ Raw material
▷ Incoming inspection
▷ Surface treatment
▷ Cleaning
▷ Rinse/dry
▷ Inspection
▷ Packing

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Address : 374-2, Shinsuri, Eumbongmyeon, AsanCity, Chungnam, 336-862, KOREA.
Tel +82 (0)41 552 5200 Fax +82 (0)41 552 5300
http://www.silfine.com/ , e-mail : info@silfine.com

ORS (Optical Recovery System)

1. Outline
ORS is a processing system recycling semiconductor waste into optical coating material with purity higher than 99.99%.
SILFINE focuses on technology development and quality enhancement in order to meet the various needs of customers.


2. The Characteristics and Strengths of ORS Technology
- High added value of optical material collected from semiconductor waste
- Heightened corporation image as environment-friendly
- SILFINE’s own patented technology and its functional system


3. Properties
- Size (mm) : 0.3 ~ 5
- Color : Colorless
- Crystalline Structure : Amorphous
- Packing : 1kg in bottle, 20kgs in plastic bin

- Material : ITO, ZrO2, TiO2, Al2O3
- Product Type : tablet & granules
- Product Trait : customer spec



4. Product Application
- Optical lens coating material
- Vacuum coating materials
- Basic materials for medical, optical, chemical and electronic industries


5. WORK FLOW
- Work flow (SiO2)
- Raw material
- Incoming inspection
- Shaping
- Refining
- Cleaning
- Rinse/Dry
- Inspection
- Packing

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Address : 374-2, Shinsuri, Eumbongmyeon, AsanCity, Chungnam, 336-862, KOREA.
Tel +82 (0)41 552 5200 Fax +82 (0)41 552 5300
http://www.silfine.com , e-mail : info@silfine.com

SRS (SiC slurry Recovery System)

1. Outline
Slurry is used during the sawing process of silicon ingot for semiconductors and solar light, creating slurry waste.
SILFINE’s SRS is a 21st-century environment-friendly business item which effectively separates SiC powder (cutting material) and PEG (dispersion material) from slurry wastes and then highly refines and regenerates. SRS provides our customers to cuts down the cost of production during the semiconductor ingot sawing process by 30~40%.


2. The Characteristics and Strengths of the Technology
■ Creation of new value through SILFINE original technology
- Regeneration of high-price Polyethylene Glycol (PEG) and Silicon Carbide (Sic) contained in slurry waste
- Contribution to semiconductor cost reduction through recycling from semiconductor ingot sawing
■ Recycling of resources: Creation of new value and prevention of environmental pollution through SiC & PEG separation and refinement
■ Reduction of production costs for semiconductors by reduction in silicon waste treatment costs


3. Properties
■ SiC Powder
- Average particle size (um) : 6~12
- Color : Green
- Purity : Higher than 98.5 %

■ PEG
- Color : Colorless
- Water content : Less than 0.5%
- Impurities : Less than 0.5%

4. Product Application
○ Original material for ingot sawing in semiconductor and solar industries

5. WORK FLOW
- Waste slurry → Separator → SiC cake + PEG
- SiC → Step by step Refinement → Dry → Inspection → Packaging
- PEG → Step by step Refinement → Inspection → Packaging


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Address : 374-2, Shinsuri, Eumbongmyeon, AsanCity, Chungnam, 336-862, KOREA.
Tel +82 (0)41 552 5200 Fax +82 (0)41 552 5300 / http://www.silfine.com e-mail : info@silfine.com

SEMICON WEST 2008

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Address : 374-2, Shinsuri, Eumbongmyeon, AsanCity, Chungnam, 336-862, KOREA. Tel +82 (0)41 552 5200 Fax +82 (0)41 552 5300 / http://www.silfine.com/ e-mail : info@silfine.com

BRS (Back-lapping slurry Recycle System)

1. Outline
BRS is a world-first recycling system for slurry waste created from the back-lapping process of the final assembly stage of semiconductors.
After consecutively collecting DI water and silicon from slurry waste, the silicon is refined to be re-usable as solar energy-related material.
With its specialized regeneration technology BRS, SILFINE is firmly rooted as an environment-friendly energy material corporation by providing cost reduction in scrap disposal and alternative solution to silicon production.

2. The Characteristics and Strengths of BRS Technology
◆ Collection Process
- Continuous collection process 　
- Collection amount: 7 ton/hr 　
- Efficiency: Higher than 95%
- Automated system
- Sub micro-size silicon powder collection

◆ Overall Process
- High-purity continuously automated refinement process 　
- Purity: 5~6N

3. Properties
- Type : Silicon
- Purity : 5N ~ 6N
- Shape : Granule, Brick

4. Product Application
→ Ingot material for solar industry
- Solid SS : 300 mg / liter (Average)
- Silicon Size : 2~3 um (Average)
- Conductivity : 1~3 uS (Average)

5. WORK FLOW
→ Original slurry
→ Collection
→ Packing
→ Transportation
→ Refinement
→ Inspection
→ Packing

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Address : 374-2, Shinsuri, Eumbongmyeon, AsanCity, Chungnam, 336-862, KOREA.
Tel +82 (0)41 552 5200 Fax +82 (0)41 552 5300 / http://www.silfine.com e-mail : info@silfine.com

PRS (Pattern Removal System)

1. Outline
PRS is a recycling system using continuous surface processing technology. SILFINE sorts rejected wafers which were collected during semiconductor manufacturing process for various reasons.
In order to protect the intellectual property of our clients, such as circuits and patterns on wafers, SILFINE introduced a mechanical process to eliminate any environmentally-contaminating substances from discharge during operation.


2. The Characteristics and Strengths of PRS Technology
(1) Protects intellectual properties of the client
→ Provide mobile service
(2) Maximization of production efficiency
→ Continuous treatment system
(3) Prevention of pollution occurrence
→ Introduction of physical pattern removal technology
(4) Customer satisfaction quality assurance in operation
→ Enabled assortment and inspection according to quality level, then delivery according to customer specifications
(5) Environment-friendly recycling system
→ Used as solar energy material after treatment

3. Properties
* Material : Silicon
* Crystallization Shape : Mono crystal
* Type and resistance
P > 0.5 ohm
N > 1.0 ohm

4. Product Application
--> Original material of ingot for solar use

5. WORK FLOW
- Waste wafer
- Testing and separation
- Surface treatment
- Inspection
- Packaging

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Address : 374-2, Shinsuri, Eumbongmyeon, AsanCity, Chungnam, 336-862, KOREA.
Tel +82 (0)41 552 5200 Fax +82 (0)41 552 5300 / http://www.silfine.com e-mail : info@silfine.com

SILFINE ?

SILFINE is the recycling specialist in Semi conductor Industry. We are seeking the best cost saving solution through innovative and environment-.friendly technology. It is not only for cost saving but also for protecting the intellectual property of Semi customers. Since 1992, SILFINE has shown first and best recycling technologies on Semi conductor Industry. All these technologies have been developing under our own vision, “only one technology to make the number one company”. In order to achieve the vision, we have been, and will continue to put all our energy to create the best and first technology to become the number one recycling specialist over the world.
We are talking care of Earth and recreating the F.I.N.E world now.

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Address : 374-2, Shinsuri, Eumbongmyeon, AsanCity, Chungnam, 336-862, KOREA.
Tel +82 (0)41 552 5200 Fax +82 (0)41 552 5300 / http://www.silfine.com e-mail : info@silfine.com