NTT-AT Optical Adhesives Lineup. Adhesives / Resins and Sealants for Optical Component Assembly

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1 NTT-AT Optical Adhesives Lineup Adhesives / Resins and Sealants for Optical Component Assembly

2 The adhesive technology used in optical communications is one of the key technologies we offer. Ask us anything you need to know Adhesives for optical component assembly. Adhesives for Optical Waveguides Optical Fiber PLC Adhesives for Optical Waveguides Model [Main ingredient] Curing conditions (UV) Irradiation level 1 Time (min) Refractive index (after (mpa s) Tg ( ) Optical transmittance Bond strength (kgf/cm 2 ) Special features Adjustable RI Series (High-Tg type) Refractive index can be adjusted in accordance with the customer's specification, High-Tg Adjustable RI Series (Low-Tg type) >200 Refractive index can be adjusted in accordance with the customer's specification, Low-Tg GA700H (High-Tg type) >247 Refractive index adjusted to match silica glass (at 1.µm), High-Tg GA700L (Low-Tg type) >14 Refractive index adjusted to match silica glass (at 1.µm), Low-Tg AT6001 [Acrylate] Complies with Telecordia Standards (High Temperature/High Humidity), High Elasticity AT8224 [Acrylate] >209 Complies with Telecordia Standards (High Temperature/High Humidity), High-Tg Tg: Glass transition temperature Adhesives for Fiber Array (Fixing Optical Fiber and the V-groove) Adhesives for Fiber Array Fixing Optical Fiber and the V-groove Model [Main ingredient] Curing conditions (UV) Irradiation level 1 Time (min) Refractive index (after (mpa s) Tg ( ) Hardness (Shore D) Bond strength (kgf/cm 2 ) Special features AT392M >99 Mechanical polishing is available, Ultra-Hard, Heat-Resistant Adhesive AT >194 Mechanical polishing is available, Good Transparency AT >143 Mechanical polishing is available, Low AT3727E >147 Mechanical polishing is available, Humidity-Resistant, High-Tg AT3728E >232 Mechanical polishing is available, Humidity-Resistant, Low-Tg Adhesives for Fiber Array (Fixing the end of the Optical Fiber) Adhesives for Fiber Array Fixing the end of the Optical Fiber Model [Main ingredient] Irradiation level 1 Curing conditions (UV) Time(min) (mpa s) Tg ( ) Hardness (Shore D) Bond strength (kgf/cm 2 ) Special features AT97M AT8 [Acrylate] 0 paste paste >221 >226 High Durability, Nonfluxional Adhesive for Precise Fixation Ball lens LD Optical beam Adhesive for precise fixation Model [Main ingredient] Curing conditions (UV) Irradiation level 1 Time(min) Shrinkage during curing (%) (mpa s) Tg ( ) Thermal expansion coefficient ( - / ) Bond strength (kgf/cm 2 ) Special features AT3862P , >2 Low Shrinkage Rate 1: [mw/cm 2 ] 2: [CC cm/cmhg cm 2 s]@7ºc 90% 3 Shear adhesion strength of SUS / SUS (All other cases are glass / glass) Data in thie catalog is the measured values, not guaranteed values.

3 Consultation available for customization of each type. Feel free to contact us if you have any questions. High RI Resins Model [Main ingredient] Curing conditions (UV) Irradiation level 1 Time (min) Refractive index (after (mpa s) Tg ( ) Hardness (Shore D) Bond strength (kgf/cm 2 ) 1816 [Acrylate] > [Acrylate] >1 620 [Acrylate] E , >280 # , Low RI Resins Model [Main ingredient] Curing conditions (UV) Irradiation level 1 Time (min) Refractive index (after (mpa s) Tg ( ) Hardness (Shore D) Bond strength (kgf/cm 2 ) [Acrylate] E >61 Epoxy Resins for Fabricating Optical Waveguide Model Refractive index (after (mpa s) Tg ( ) n (@830nm) Core / Cladding set Core Cladding 1.3 ± ±0.00 2,200 2, % Sealants for Optical Devises Sealants for Optical Devises Optical device Optical Fiber Model Curing conditions Pot life (min) Water vapor transmission Rate 2 Hardness (Shore D) Bond strength 3 (kgf/cm 2 ) Ratio of mixing (Weight A/B) Main component Conditions before hardening Special features S A: Transparent paste B: White paste High Flexibility S3903- OS A: Amine Hardener B: Modified Epoxy Resin A: Transparent paste B: Black paste A: Transparent paste B: Black paste High Flexibility, High 14SI 14SI-3 RT 24hr or 80 1hr > A: White paste B: Yellow transparent fluid A: White paste B: Yellow transparent fluid High Moisture Proof, High Bonding Strength High Moisture Proof, High Bonding Strength OS [8ºC 8%] A: Epoxy Resin B: Amine Hardener A: White paste B: Yellow transparent fluid High Moisture Proof Long Pot Life OS [8ºC 8%] A: White paste B: Yellow transparent fluid High Moisture Proof, High, Long Pot Life OS > A: White paste B: Yellow transparent fluid High Moisture Proof, High, High Bonding Strength OS-48 RT 24hr or 0 1hr (Shore A) A/B: Butylene Resin A: White paste B: Black paste Long Pot Life

4 Flow Chart: Selecting Optical Waveguide Adhesives Based On Application Usage YES Is Refraction Index Adjustment needed? NO YES Refractive Index Range NO HIGH Glass Transition Temperature LOW Is Refraction Adjusted for Quartz? NO YES Refractive Index <1.47 >1.7 Is Durability (on join surface) an issue? Is Durability (on join surface) an issue? NO (Small) YES (Large) NO (Small) YES (Large) Adjustable RI Series (High-Tg type) Adjustable RI Series (Low-Tg type) GA700H GA700L Custom Adjusted Low Refractive Index Type Custom Adjusted High Refractive Index Type AT8224 AT6001 Adjustable and Tg (Glass transition temperature) Measurement Item and Method of Measurement used for this Catalog Measurement Item Method of Measurement Measurement Item Method of Measurement Uv curing condition Light source Heat-treating Metal halide lamp (Center wavelength 36 nm) Conditions as described in the Instruction manual Optical transmittance Hardness (Shore d, a) UV Spectrophotometer (Sample thickness 1mm) Hardness meter Refractive index Abbe refractometer (at 2 ) Thermal expansion coefficient TMA (Thermomechanical analysis) E-type viscometer (at 2 ) Shrinkage during curing Calculated from the difference in density before and after curing Glass transition temperature Maximum peak temperature of viscoelastic spectrum tan Water vapor transmission rate Transmittance measuring instrument (Sample thickness 0.mm) Pot life Time for confirmation of fluid flow to ø3mm SUS tube Feel free to contact us if you have any questions about adhesives, requirements of custom adhesives, and measurement and testing services for adhesives. Measurement and Testing Services for Adhesives The Optical characteristics Refractive index, Optical transmittance, Absorbance The Thermal characteristics Thermal expansion coefficient, Thermogravimetric analysis The Electrical characteristics Permittivity, Resistivity The Material characteristics, Density, Shrinkage during curing etc. The Mechanical characteristics Bond Strength, Viscoelasticity etc. Various environmental tests Longevity tests, Durability tests Custom Adhesives, Measurement and Testing Services for Adhesives Notes: All company names, product names, etc., indicated herein are trademarks or registered trademarks of each respective company. Please understand that all comments and data recorded herein may be subject to change without prior notification. Catalog descriptions: as of January, C

5 Optical Adhesives Low Refractive Index Resins For those seeking resins with a refractive index of 1.4 or less Before curing Low Refractive Index Resins Item Test method: Condition Units Acrylate Epoxy #18204 #18114 E38 2 mpa s Refractive Index 89nm After curing Curing Conditions UV Intensity mw/cm 2 time min 1 Refractive Index 89nm Tg* tanδ max Thermal expansion coefficient ( CTE ) Hardness Elastic modulus Optical Transmittance Shear Bond Strength TMA:α TMA:α2 - / Shore-type durometer:2 Dynamic viscoelasticity: 2 40nm - D20 A8 D72 D78 MPa nm % nm glass/glass : 2 kgf/cm >61 All company names, product names, etc., indicated herein are trademarks or registered trademarks of each respective company. Please understand that all comments and data recorded herein may be subject to change without prior notification. Numerical values listed are measured values. They are not performance guarantees For more detailed information of High/Low Refractive Index Adhesive, please visit our website.

$Optical Resin Nano Imprint Resin High Refractive Index, High Accuracy Optical Resin$ generation process technology.

High RI, UV curable, nano imprint resin provides highly functional fine patterns.

nano imprint lithography achieves high accuracy without high temperature processing.

$High Transmittance Although the refractive index of the material is high, the resin has$

6 Optical Resin Nano Imprint Resin High Refractive Index, High Accuracy Optical Resin Optical Resin Nano Imprint Lithography Resin Nano imprint lithography is the next generation process technology. The simple and low cost fabrication technology enables nano-scale patterns. High RI, UV curable, nano imprint resin provides highly functional fine patterns. Line & Space pattern 1μm Hole pattern Pillar pattern 1μm 1μm High Accuracy UV curing nano imprint lithography achieves high accuracy without high temperature processing. Characteristics of Resin can be Customized By modifying the composition of UV resin, the characteristics can be customized. High Transmittance Although the refractive index of the material is high, the resin has a high transmittance above 400nm. UV Nano imprint Lithography Image Mold Nano Pattern Formation Mold Resin Substrate Mold Substrate Remove Substrate

$- Refractive Index Abbe's number Tg Transmittance Prism coupler : 2 Abbe refractometer : 2 Dynamic viscoelasticity : tan δ max Spectrophotometer : Thickness=2μm 0mW/cm 2 min - 1.$

7 Specifications (Preliminary) Before curing Item Test method : Condition E-type viscometer : 2 Unit #182 mpa s 1 Curing condition After curing Pre Baking Conditions min UV Curing Conditions - - Refractive Index Abbe's number Tg Transmittance Prism coupler : 2 Abbe refractometer : 2 Dynamic viscoelasticity : tan δ max Spectrophotometer : Thickness=2μm 0mW/cm 2 min ( 40nm ) % 94 ( 40nm ) 9 ( 40nm ) 9 ( 630nm ) Accuracy and Transmittance The imprinted pattern has high accuracy Transmittance above 400nm is high Imprinted Pattern 1μm Transmittance (%) Thickness=2μm Wavelength(nm) All company names, product names, etc., indicated herein are trademarks or registered trademarks of each respective company. Please understand that all comments and data recorded herein may be subject to change without prior notification. Numerical values listed are measured values. They are not performance guarantees A

$Optical Adhesives High / Low Refractive Index Resins For those seeking resins with a refractive index of 1.6 or greater / 1.$

8 Optical Adhesives High / Low Refractive Index Resins For those seeking resins with a refractive index of 1.6 or greater / 1.4 or less High Refractive Index / Low Refractive Index Resins At NTT-AT, using its refractive index control technology and optical loss reduction technology that are the basis for adhesives of optical communication, has developed for sale resins with a high refractive index of 1.6. For the high refractive index resins, by adding high refractive index fillers as in the photo on the right, we are able to manufacture resins with a refractive index of 1.9. These resins are aimed at usage in the fields of optical recording, display technology, optical energy uses, etc. our resin* HAZE=0.0 Comparative Resin HAZE= Transparency of NTT-AT's resin coated substrate * Refractive Index :1.96 (@403nm) * Coat Thickness : 1 μm Easily select a refractive index of less than 1.4 or more than 1.6 Can be customized for combinations of Light/Heat Curing High transparency in the visible light range Configuration Image 0 thickness: 90μm Transparency (%) Refractive Index Wavelength (nm) Wavelength (nm) Optical transmittance of #620 Refractive Index Wavelength Dispersion of #620

9 High Refractive Index Resins Item Test method: Condition Features Units High Refractive Index Resins Acrylate Epoxy #1816 #18166 #620 E374 #7200 Before curing Refractive Index E-type viscometer: 2 Abbe refractometer mpa s * Curing Conditions UV Intensity mw/cm time min Refractive Index 89nm Tg *2 tanδ max After curing Thermal expansion coefficient ( CTE ) Hardness Elastic modulus Optical Transmittance TMA:α / TMA:α Shore-type durometer:2 Dynamic viscoelasticity: 2 40nm - D67 D80 D70 D76 D83 MPa % 40nm * (Thickness 0μm) * nm * Shear Bond Strength glass/glass : 2 kgf/cm 2 >48 >1 3 >280 * 1 : Tends to crystallize at low temperatures. * 2 : Glass transition temperature * 3 : Thickness 90 μm All company names, product names, etc., indicated herein are trademarks or registered trademarks of each respective company. Please understand that all comments and data recorded herein may be subject to change without prior notification. Numerical values listed are measured values. They are not performance guarantees For more detailed information of High/Low Refractive Index Adhesive, please visit our website.

Optical Adhesive High Precision Adhesives Minimal position changes due to curing time and temperature High Precision Adhesives We recommend adhesives which can easy to fix optical components with

10 Optical Adhesive High Precision Adhesives Minimal position changes due to curing time and temperature High Precision Adhesives We recommend adhesives which can easy to fix optical components with sub-micron accuracy. Shrinkage rate during curing is very low (less than 0. %). Thermal expansion coefficient is small (less than 4 - / C). Using ultraviolet ray curing makes alignment easy. Low shrinkage rate Shrinkage rate during curing is 0.% (AT3862P) UV curing UV curing provides simple workability Thermal expansion coefficient is small CTE is less than 4 - / C Configuration Image Temperature Properties of LD Module

11 Features Item Conditions Units Previous product A Previous product B AT3862P 2 cp Curing Conditions Glass transition temperature (Tg) Temp. of max. peak value of elastic loss UV30mW/cm 2 UVmW/cm 2 UV0mW/cm 2 min min 2min Rate of curing shrinkage (Density change) % Hardness Shore D Thermal expansion coefficient Bending adhesion strength Initial period 121 0% afterh kgf/cm 2 >116 >200 >2 >14 >149 >114 Elastic modulus 2 dyn/cm Water absorption 1mm,after 24h % Weight loss on heating % Numerical values listed are measured values. They are not performance guarantees. All company names, product names, etc., indicated herein are trademarks or registered trademarks of each respective company. Please understand that all comments and data recorded herein may be subject to change without prior notification A

Optical Adhesives Adhesives for Fiber Array Introducing the adhesives with high moisture resistance and excellent workability for fiber array assemblies V-Groove Fixing / Optical Fiber Fixing

12 Optical Adhesives Adhesives for Fiber Array Introducing the adhesives with high moisture resistance and excellent workability for fiber array assemblies V-Groove Fixing / Optical Fiber Fixing Adhesives for Fiber Array Fiber arrays are used for the input and output of optical waveguide devices. As adhesives used for fixing the V-Grooves, AT3727E and AT3728E have realized price reductions while enhancing moisture resistance than conventional products with over 20 years more experience. As adhesives for Optical Fiber fixing, the AT97M and AT8 have gained popularity for their good workability as non-fluid adhesives. High Moisture Resistance and Excellent Durability For a Fiber Array, no peeling after 2,000 hours at 8 C, 8 % humidity. * Our company test results Can Be Polished The adhesives for V-Groove fixing can be polished after assembly. Appropriate for Usage Location makes it Easy to Use The adhesives for fixing V- Grooves have a fluidity, while the optical fiber fixing adhesives are a paste suitable for protecting the fiber. Structural Images For Optical Path Coupling For Optical Fiber fixing For Filter fixing For Array V-Groove fixing Sealant

13 Features V-Groove Fixing Base Fixing Item Conditions Units AT392M AT9390 AT9968 AT3727E AT3728E AT97M AT8 2 mpas Paste Paste Color Pre-curing Transparency liquid ( light yellow ) Colorless White Curing Conditions UV Intensity mw/cm time min Tg * tanδ max Shrinkage Density change % Hardness Shore D (A84) 3 78 Thermal expansion coefficient ( CTE ) Shear Bond Strength Bending Adhesion Strength Elastic modulus Water absorption Weight loss on heating / Initial period 121 0% after 20h Initial period 121 0% after 20h >99 >194 >143 >147 >232 >221 >226 >69 >142 >98 >166 >230 >122 > dyn/cm mm,after 24h % h wt% 10 h All company names, product names, etc., indicated herein are trademarks or registered trademarks of each respective company. Please understand that all comments and data recorded herein may be subject to change without prior notification. Numerical values listed are measured values. They are not performance guarantees. Catalog descriptions: as of 12, 201 *Tg : Glass transition temperature

Optical Adhesives Adhesives for Optical Waveguides If you are seeking PLC and fiber array adhesion with high reliability, try these products Adhesives for Optical Waveguides In order to achieve high

$Excellence in Durability Acrylate-based adhesives which have cleared a large number of reliability tests Adjustable Refractive Index Epoxy adhesives with the same refractive index as quartz to$

14 Optical Adhesives Adhesives for Optical Waveguides If you are seeking PLC and fiber array adhesion with high reliability, try these products Adhesives for Optical Waveguides In order to achieve high reliability, a product must clear the tests conducted by the users themselves. If you have had even just a bit of dissatisfaction in reliability test results, please put NTT-AT s adhesives to the test. We will also offer consulting regarding adhesion related issues. Excellence in Durability Acrylate-based adhesives which have cleared a large number of reliability tests Adjustable Refractive Index Epoxy adhesives with the same refractive index as quartz to deliver low reflectance Simple Operability The UV curing allows for adhesion in a short time frame Structural Images For Optical Path Coupling For Optical Fiber fixing For Filter fixing For Array V-Groove fixing Sealant For Optical Path Coupling

15 Standard Products Features Item Conditions Units Epoxy Acrylate GA700H GA700L AT6001 AT8224 Curing Conditions UV Intensity mw/cm 2 30 time Min 2 mpas nm Refractive Index 830nm (after curing) 1300nm nm Optical Transmittance 80nm % 1300nm (1mm) 10nm Glass transition temperature ( Tg ) tanδ max shrinkage Density change % Hardness Shore D Elastic modulus 2 dyn/cm Thermal expansion coefficient( CTE ) Bending Adhesion Strength Initial period 121 0% after h kgf/cm Water absorption 1mm,after 24h % h wt% 10 h Weight loss on heating Adjustable Refractive Index products Features Item Conditions Units High-Tg Type Low-Tg Type Curing Conditions UV Intensity mw/cm 2 30 time min 2 mpas 20~ ~60 Refractive Index 10nm 1.446~ ~1.49 Optical Transmittance 10nm % 89~90 86~90 Tg tanδ max 140~10 40~0 shrinkage Density change % 3~ 4~8 Hardness Shore D 7~80 23~4 CTE ~8 8~22

enabling your ideas. Optical, Power and Thermal Management Technologies Germany AMS Technologies AG Fraunhoferstr. 22 8212 Martinsried, Germany Phone +49 (0)89 89 77 0 France AMS Technologies S.A.R.L.

16 enabling your ideas. Optical, Power and Thermal Management Technologies Germany AMS Technologies AG Fraunhoferstr Martinsried, Germany Phone +49 (0) France AMS Technologies S.A.R.L. Silic 717 Bâtiment Magnolia 16, avenue du Québec Courtaboeuf Cedex Phone +33 (0) Italy AMS Technologies S.r.l. Corso Sempione, 21/B 2002 Legnano (MI), Italy Phone Poland AMS Technologies Sp. z o.o. Mogilska 69 St, Floor Krakow, Poland Phone +48 (0) Spain AMS Technologies S.L. C/Muntaner, 200 Atico, 4a Barcelona, Spain Phone +34 (0) Sweden AMS Technologies Nordic Azpect Photonics AB Aminogatan Mölndal, Sweden Phone +46 (0) United Kingdom AMS Technologies Ltd. Unit 11, St Johns Business Park Lutterworth Leicestershire LE17 4HB, UK Phone +44 (0) ISO 9001 DIN EN ISO 9001 TAW Cert Zert.Nr.: Copyright by 2016 AMS Technologies Rev Laser Systems info@amstechnologies.com

OPTICAL ADHESIVES. Strong bonds to glass, metal, ceramics and plastics

OPTICAL ADHESIVES. Strong bonds to glass, metal, ceramics and plastics OPTICAL ADHESIVES Strong bonds to glass, metal, ceramics and plastics Adhesives for Array Assemblies High Precision Adhesives High/Low Refractive Index Adhesives Optical Waveguide Formation Resin OPTICAL