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Copyright© 2006 NTT Advanced Technology CorporationCopyright© 2008NTT Advanced Technology Corporation

Welcome to NTTWelcome to NTT--ATAT’’ss

BoothBooth

Copyright© 2006 NTT Advanced Technology Corporation

Adhesives for Fabricating Adhesives for Fabricating OpticalOptical DevicesDevices

Room Room Temperature Temperature

curing Sealantcuring SealantUVUV--curing Adhesivecuring Adhesive

for Fiber Arrayfor Fiber Array

UVUV--curing Adhesive curing Adhesive for Attaching Filterfor Attaching Filter

UVUV--curing Adhesive curing Adhesive for Bonding betweenfor Bonding between

FiberFiber--waveguidewaveguide

Optical FilterOptical Filter

Fiber ArrayFiber Array

Optical FiberOptical Fiber

Metal CaseMetal Case

device

sealantscase

Adhesives for optical bonding

Optical fibersOptical fibers

WaveguideWaveguide

Optical fibers

Adhesives for attaching fibers

Glass plates

Adhesives for fiber array

Substrate with V-groove

UVUV--cure Adhesive cure Adhesive for Attaching Fiberfor Attaching Fiber


Optical Return Loss Optical Return Loss and Refractive Index of Adhesives at Optical Fiber Splicingand Refractive Index of Adhesives at Optical Fiber Splicing

T.Maruno and N.Murata, Proceedings of International Conference on Electrical, Optical and Acoustic Properties of Polymers EOA III, pp.Vi/1-vi/8(1992)

60

50

40

301.45 1.50 1.55

Glass Pipe

Optical Fiber Optical AdhesiveOptical Adhesive

Refractive Index (nD)

Opt

ical

Ret

urn

Loss

(d

B a

t 1.3

μm

)

Adhesives for Optical BondingAdhesives for Optical Bonding


Sulfur Content (wt%)

Fluorine Content (wt%)

Cationic SystemCationic System Radical SystemRadical System

Fluorine or Bromine Content (wt%)0 10 20 30 40 50

Brominated Epoxy

Fluorinated Epoxy

1.4

1.5

1.6

Ref

ract

ive

Inde

x (n

D)

The range of refractive index controlThe range of refractive index controlnnDD= 1.3= 1.3--1.7 1.7

Refractive Index Control of UVRefractive Index Control of UV--curable Resin Systemscurable Resin Systems

1.6

1.7

1.5

1.4

1.3 20 40 60 800

Fluorinated Acryl

0 2010 30

Ref

ract

ive

Inde

x (n

D) Vinyl

containing Sulfur

Copyright© 2006 NTT Advanced Technology CorporationCopyright© 2006 NTT Advanced Technology Corporation

Highly Durable UVHighly Durable UV--curing Optical curing Optical

AdhesiveAdhesive（（AT6001AT6001 Adhesive Adhesive

systemsystem））

PLCChip

Tape Fiber

PolymerGlass PlateFiber array

Al Case

Y. Hibino, F. Hanafusa et. al., Electron. Lett., 30(8) pp.640-641 (1994)

T (℃)

2 .4 2 .6 2 .8 3 3 .2 3 .4

1 0 0 0

1 0 0

1

0 .0 1

0 .0 0 0 1

Median life (y)

1 0 0 0 /T (1 /K )

7 51 3 0 1 1 0 8 5 2 5

Relative Humidity 90%RH

Failure Rate at 25Failure Rate at 25℃℃ 90%RH = 0.6 FIT90%RH = 0.6 FIT(1 FIT = Failure Number 1/10,000 for 10 years)

H.Hanafusa,S.Sumida and N.Tanaka, Mat.Res.Soc.Symp.Proc. 531,pp349-358(1998)

Application to Highly Reliable PLC DevicesApplication to Highly Reliable PLC Devices


solder

Adhesives for Precision AttachingAdhesives for Precision Attaching

-4

10 -5

10

10-3

101 52

Conventional UV-curable

Conventionalthermosetting

DevelopedUV-curable

Thermal expansion coefficient and shrinkage during curingThermal expansion coefficient and shrinkage during curingα

(/oC)

Shrinkage (%)

・Thermal expansioncoefficients 20ppm

・Shrinkage 1-2%


Stem

G windowlass

Metal cap

UV-curableadhesiveAT9290F

Laser0.6 mm ball lens

LDpackageLDpackage

Light

M.Suzuki, T.Nakanishi et al., Proceedings of the 40th Electronic Components and Technology Conference, pp.200-205(1990)

Temperature (deg.)O

utpu

t pow

er (m

W)

○ Precision Adhesives (α=4×10-5 /deg)●Commercially available one (α=30×10-5 /deg)

α: thermal expansion coefficients

Application of Adhesives for Precision AttachingApplication of Adhesives for Precision Attaching


7

AT9390 For fiber array ・Available for mecｈanical polishing

・Good durability

AT8105 For attaching fiber ・Good durability

・Thixotropic and flexible

OpticalOptical fibersfibers

Adhesives for attaching fibersAdhesives for attaching fibers

Glass platesGlass plates

Adhesives for fiber arrayAdhesives for fiber array

Substrate with VSubstrate with V--groovegroove

UVUV--curing curing Adhesives for Adhesives for Fabricating Fiber ArrayFabricating Fiber Array


8

S ealantS ealantCa s eCa s e

d e vic ed e vic eOptical fib erOptical fib er

Points for sealant designPoints for sealant designLo w intern al s tre s sMois ture re s i s tan c e

•hig h adh e s iv e s tre ngth•• low moi sture p ermiability

200 kgf/cm2

8×10-9 ｃｃ・ｃｍ・ｃｍHg/cm2/sec

----

Sealants for Optical devicesSealants for Optical devices


Time (h)

0

20

40

60

80

100

0 1000 2000 3000 4000 5000

Calc ulate d relative hu midity c han g e in pac ka g eCalc ulate d relativ e hu midity c han g e in pa c ka g e

75o C,90%RHRe

lativ

ehu

mi d

ity(%

)Re

lati v

eH u

mi d

ity(%

)

Time (h)

Commercial Commercial PProduct Aroduct A

AT S3903AT S3903--55

ATAT 14SI14SI

Calculated relative humidity change in packageCalculated relative humidity change in package


ClassificationClassification Model No.

Adhesives for Optical BondingAdhesives for Optical Bonding AT6001 AT8224

Precision AdhesivesPrecision Adhesives AT9290F AT4291A

UVUV--curing curing Adhesives for Adhesives for Fabricating Fiber ArrayFabricating Fiber Array

AT9390, AT9968 AT8105

Sealants for Optical devicesSealants for Optical devices 14SI S3903-5

NTT-AT’s Standard Adhesive Products


NTT Advanced Technology CorporationEmail: [email protected]

Integrated Value Provider

welcome to ntt-at’s booth · title: ph研技術所議資料（成果登録） 平成12年4月5日...

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welcome to ntt-at’s booth · title: ph研技術所議資料（成果登録）平成12年4月5日...