www.minuta.co.kr

Company Information

www.minuta.co.kr

주력생산 및 개발제품

재 료 : 안전 광학 필름 제조용재료 (Materials of optical film for safety)

마이크로렌즈 어레이제조용재료 (Materials for micro lens array fabrication)

고휘도광학필름제조용 재료 (Materials for prism patterning)

소프트몰드용 재료

제 품 : 광학부품 (Optical element : 프리즘, Micro lens array film, 임프린트도광판)

광학부품 (Optical element : 수계코팅반사시트, dot 인쇄 반사시트)

광학부품제조용 soft mold

•광 학

•전 자 재 료 : TSP 용 metal mesh 용 trench 재료

LED 제조용 PSS (patterned sapphire substrate) 임프린트 etch resist

Glass Imprint Resin

제 품 : PSS 제조용 soft mold

www.minuta.co.kr

주력생산 및 개발제품 (2)

평판 패터닝 설비 (Plate type Patterning Equipment)

필름 패터닝 설비 (Roll type Patterning Equipment)

자외선경화기 – UV-A chamber system(UV lamp set)

표면처리장비 – UVO surface treatment

유기소자 제조 공정 (Process for Organic device fabrication)

유기 재료 패터닝 공정 (Process for Organic materials patterning)

무기 재료 패터닝 공정 (Process for Inorganic materials patterning)

바이오융화형 단백질 칩 및 DNA 칩 (Bio-compatible protein Chip & DNA Chip)

•설 비

•공 정

•기 타

www.minuta.co.kr

당사기술현황

RigiFlex Mold(Stamp) 및관련 Resin 제조기술

- PET 및 PC 기판지지체- Master size에따라다양한 Mold 제작가능

Hard Mold(Stamp) 및관련 Resin 제조기술

- Glass 또는 Quartz 같은 hard한기판지지체- Align 작업용, UV imprint용 Mold로활용- Master size에따라다양한 Mold 제작가능

Elastic Mold(Stamp) 및관련 Resin제조기술

- Silicone rubber 또는 acrylate 등의반응물을이용한 mold

- 지지체없이 Bulk 형태로제작- Master size에따라다양한 Mold 제작가능

Photo-Curable Soft Mold and Resin

www.minuta.co.kr

당사기술현황

Manufacturing Process & Technology

Final

www.minuta.co.kr

Electronic ElementsOptical Elements

Product 1영역 Product 2영역

Material formulation

Technology

Unconventional

Lithography

Technology

RigiFlex

Mold

Technology

Fast response

Of Customer demands

2. Photo-Curable Resins & Films for Hard Coating of IT applications

Property MINS-HPC MINS-HPT

Application Micro-patterning for key pad of mobile phone Micro-patterning for key pad of mobile phone

Appearance Clear Yellowish Liquid Clear Yellowish Liquid

Color

(APHA)50~250 120~300

Viscosity

(cPs @25℃)

~ 20 (low)

~ 1,000 (high)60~120

Refractive Index

(@25℃)<1.50 <1.52

Substrate PC PET

Characteristics

- Excellent water-proofing

adhesion

- RCA: more than 80 cycles

- Pencil hardness: F~2H

- Robust to cosmetics

- Bendable without crack

- Excellent water-proofing adhesion

- Pencil hardness: F~2H

- Robust to cosmetics

- High chemical resistance

(against alcohol)

- High stability against outdoor

weathering test

● General Photo-Curable Resin Properties

◎ Special Advantages

- Excellent adhesion to PC and/or PET

- High stability against outdoor weathering test

- High surface hardness

- High bend-ability without crack

hair-spin pattern hair-line pattern

3. Photo-Curable Resins for Retro-Reflective Film

Property MINS-RP1 MINS-RP2 MINS-RT

ApplicationRetro-reflection resin

for PVC

Retro-reflection resin

for PVC

Retro-reflection resin

for TPU

Appearance Clear Yellowish Liquid Clear Yellowish Liquid Clear Liquid

Color

(APHA)250~500 300~500 10~100

Viscosity

(cPs @25℃)120~200 60~120 60~120

Refractive Index

(@25℃)1.48~1.49 1.47~1.48 1.47~1.48

Substrate PVC PVC TPU

Characteristics- High Retro-Brightness

- Ordinary product for general-purpose

- High retro-brightness

- High thermal stability

- High retro-brightness

for TPU film

● General Photo-Curable Resin Properties

◎ Special Advantages

- Good adhesion to PVC,TPU,Acryl film

- Relatively high thermal stability

(EN471 certified)

- High brightness due to low shrinkage

- Easy release from hard stamp

- Applicable to base film with various color

Property MINS-RF1 MINS-RF2

Application

Etch Resist

(Minimized residual thickness

after patterning)

Passivation and/or Overcoat

(The residual thickness

controlled)

Appearance Clear Yellowish Liquid Clear Yellowish Liquid

Color

(Gardner)< 3 < 4

Viscosity

(cPs @25℃)< 15 < 15

Refractive Index

(@25℃)1.47~1.50 1.47~1.50

Substrate Metal (Cr, Mo, Cu, etc) Glass

Characteristics- Wet etch resistance

- Adhesion for good etch skew

- High transmittance: > 95%

- Excellent chemical resistance

- Good hardness: 2H~4H

4. Photo-Curable Resins for Thin-Residual Layer

● General Photo-Curable Resin Properties

◎ Special Advantages

- Very thin-residual layer after imprinting

- Good adhesion to a variety of substrates

- Tunable surface tension for wetting

- Quite a low viscosity for thin layer

Almost no residual layer

[metal substrate]

5. Photo-Curable Resins for LGP Imprinting & Ink-Jet

● General Photo-Curable Resin Properties

◎ Special Advantages

- Direct adhesion to PMMA, MS, Acryl substrate

- Stable color index(Non yellowing)

- Shape-controllable by contact angle

- High curing speed

PropertyFor Imprinting For Ink-Jet

MINS-HMA MINS-IJA MINS-IJP

ApplicationMicro-patterning on Glass plate

using imprinting process

Micro-patterning on Glass plate

using Ink-jet method:

Adhesive material

Micro-patterning on Glass plate

using Ink-jet method:

Patterning material

Appearance Clear Yellowish Liquid Clear Yellowish Liquid Clear Yellowish Liquid

Color

(APHA)150~350 50~150 10~100

Viscosity

(cPs @25℃)200~400 10~50 50~100

Refractive Index

(@25℃)<1.50 <1.50 <1.50

SubstrateGlass

(for light guide plate)

Glass

(for light guide plate)

Characteristics

- Direct adhesion without

primer layer

- Moderate hardness: H

- Low shift of color index

- Anti-static functionality

- Highly adhesive to both sides of

PMMA and patterning layer

- Low shift of color index

- Good Durability (Yellowing,

Adhesion..)

- Good Coating Property

- Shape-controllable by contact

angle

- Low shift of color index

- Good Durability (Yellowing,

Adhesion..)

- Fast Cure Response

- Low Viscosity

CA ~35 deg

For ink-Jet

6. Surface treatment chemicals

1) Surface adhesion promoter (PMMA primer, PC primer, Glass primer)

Good adhesion between substrate and patterning layer (ex. PMMA, MS, PC substrate, glass, Si wafer)

Stable color index(Non yellowing)

Suitable for UV curable resin

2) Liquid SAM coating solution

Chemical Inertness : High Chemical resistance

Thermo - Oxidative Stability

High Surface Contact Angle

Low Surface Energy

Low Coefficient of Friction

Oil repellence / Water Repellence

Release properties

Ease of Cleanability, Stain Resistance

Specific Interactions vs Surfaces

No surface coating defect

Ease of application

Thin Layer thickness :Very thin layer (10~50nm)

Low Surface Tension of liquid : High Wettability

High Chemical resistance

Non treated treated

Water 11° 105° -110°

Hexadecane n.d. 70°

Water and oil repellency

By Static Contact angle measures

Before coating 49.8⁰ After coating 113⁰

Ni stamp SAM coating

Mold surface

Rf Rf Rf Rf Rf Rf

Rf

Rf

Formed layer

Rf

Mold releasing agent

Transferred agent

www.minuta.co.kr

Application

Material

Process/Equipment

• Replace PMMA LGP

- dimension stability

• TV Slim design

- frame less

•Roll to Plate imprint process technology, equipment

•GDM(Glass Direct Mold) resin and soft mold

•UV ink for LGP pattern dot

•Color, adhesion, hardness, weather test

Glass direct mold product

example

Lenticular pattern on glass

•Smart phone bezel •Camera lens

Changsung’s Solution

Glass LGP

www.minuta.co.kr

Technical requirement① Glass adhesion ② Low viscosity, non solvent③ Mold release④ Wetting (contact angle <0.5o)⑤ Nano pattern⑥ Etching selectivity

Technical requirement① Sapphire glass adhesion ② Low viscosity for spin coating③ Mold release④ Nano pattern ⑤ Etching selectivity.

• Resin for Patterned Sapphire Substrate• Light efficiency enhancement

• Resin for Wire Grid Polarizer• Reflective Polarizer, light efficiency up

PSS & WGP

www.minuta.co.kr

LGP IMPRINTING LINE SET UP

● Specification

- Coating width : max 550mm

- Coating substrate: : PET, PC

- Soft mold/hard roll type

- Max speed : 20m/min

- UV source : 1st UV BL lamp(20mW/cm2)

2nd UV Hg, Metal, Ga halide lamp ( 80/100/120 W/cm )

7. Roll to roll UV Embossing Coater

◎ Special Advantages

- By the use of soft mold belt, we can produce various type of pattern on film

(ex: prism, micro lens, antiglare, hairline, hair spin, hard coating,…)

- This coater can play with soft mold as well as hard master roll

- The control of the thickness of coating layer is easy

- Solventless UV curing coating line

www.minuta.co.kr

8. Roll to roll UVO surface reforming M/C

● Specification

- Reforming width : ~ 1400 mm

- Substrate : PMMA, PC, PET, polymer film

- Normal speed: 0.8~1.6 mm/sec

- Lamp zone : 1400 * 1500 mm (max), 185nm/250nm light generation

- Winder / Unwinder system

- Ozone vent blower

- Cover film laminator , delaminator ( 3” air shaft , air cylinder type)

◎ Special Advantages

- Hydrophilic surface treatment on organic layer(-OH site rich)

- Enforce release effect while processing UV molding from reformed master

- Strong oxidation & ashing effect due to O3 & O generation

- Eliminate C=C bonding or physical anchoring site on the organic surface

- Roll to roll treatment is possible. It is suitable to reform organic layer coated film

- Laminating unit make it possible to cover the treated surface from scratch and contamination

9. Multi Tray UVO surface reforming M/C

◎ Special Advantages

- Hydrophilic surface treatment on organic layer(-OH site rich)

- Enforce release effect while processing UV molding from reformed

master

- Strong oxidation & ashing effect due to O3 & O generation

- Eliminate C=C bonding or physical anchoring site on the organic

surface

- Tray type UVO surface reforming M/C is suitable for treat plate type of

product such as glass, sheet or plate

- Multi tasking is possible because of independently controlled tray

● Specification

- Handling area : 500*600mm2(max)

- Coating substrate : PMMA, PC, glass, polymer

- Indv. handling time per unit control & drive

- Ozone vent blower

- Tray : 6 units

10. Lab scale UVO surface reforming unit

◎ Special Advantages

- small scale of UVO surface reforming set is useful for lab test

- Table top scale of M/C dose occupy small space

- easy to install & use (plug & use )

Model Ozone cure 16 Ozone cure 39

Lamp 16W * 10ea 39W * 14ea

Radiation wave length 185nm, 250nm

Active radiation area, tray 300mm * 300mm 750mm * 500mm

Lamp to tray distance 20mm

Radiation timer(digital) 0sec ~ 99 hr

Function

lamp hour meter(lamp change signal)

exposure mode : radiation time adjustable(sec/minute/hr)

shows elapsed exposure time

Radiation side Single side

Exhaust Built-in exhaust fan

Power 2P, 220V

Weight ~15 kg ~40kg

Remark

● General Specification & Properties

11. Lab scale UV-A curing chamber

◎ Special Advantages

- table top UV curing chamber

- small size and easy to use

- UV-A light source for radiation curing

- No thermal effect. Room temperature operation

- mild UV-A intensity ( 8~10mW/cm2)

● General Specification & Properties

Model 40W UVA

Lamp 40W BL lamp

Radiation wave length 310nm~400nm(365nm peak)

Active radiation area, tray 570mm * 470mm

Lamp to tray distance 70mm

Radiation time(digital control)

0sec ~ 99 hr

Function * lamp hour meter(lamp change signal)* exposure mode

radiation time adjustable(sec/minute/hr)* shows elapsed exposure time

Radiation side Upper side

Exhaust Built in exhaust fan

Power 2P, 220V

Weight About 33 kg

Remark BL lamp 사용, 조사광량 : 10 ~ 15 mW/cm2(UVA기준)