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Comments  Hard cladding   to contain the   core polymer  n at 1550 nm  n at 1300 nm  n at 1310 nm  n at 1550 nm  n at 1300 nm  n at 630 nm  n at 1300 nm  n at 1550 nm  n at 1300 nm  n at 830 nm






          o C or   sublimation


           Tg   25  –50              ~200     400  335   350     400        250


             n (632 nm)  1.3–1.6  1.472–1.532  1.543–1.395  1.48–1.6  1.5365  1.5345  1.51–1.52  1.552–1.561  1.537–1.544  1.535–1.543  1.4878  1.5214–  1.538






           1550  nm  0.5  0.07  0.23  0.52  4.72  1.7  0.43  1.0  1.5  0.25  0.6  0.55



           1300  nm  0.2  0.03    0.16  0.5  0.07  0.17  0.3  0.8  0.25  0.2  0.23



           850  nm  0.02  0.01       0.08  0.02          0.5        0.18    0.06


             Process  UV, RIE  laser  ablation  RIE  RIE  UV, RIE  RIE  RIE  RIE laser   ablation  UV  UV, RIE  laser  ablation  UV, RIE  laser  ablation










             Material  Acrylate  Halogenated  acrylate  Cross-linked silicone   from methyl and  deuterated (d-phenyl)   group  Silicone  UV epoxy resin  Halogenated  acrylate   Deuterated  polysiloxane  Halogenated  polyimide  Benzocyclobutanes  (BCB), cyclotene   resins  Perfluorocyclobutane  Acrylate (polyguide)  Organically   modified ceramics   (ORMOCER),  Frau







             Supplier  Allied Signal  Dow Corning  Telephonics        NTT     Dow   DuPont,  Optical  CrossLinks  Micro Resist   Technology,   GmbH,  Berlin,  Germany





             Ref.  T1, T2  T1  T3  T4  T5, T6  T1  T1, T7  T8, T9,   T1, T10  T1, T11  T1, T12  T1  T13,  T14  TABLE 6.1



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