Successful satellite lift-off
نویسندگان
چکیده
منابع مشابه
Lift-off Processes with Photoresists
Beside wet or dry etching, lift-off is a common technique to pattern metal or dielectrica films in the μm or sub-μm range. The main criteria for the choice of a photoresist best-suited for a certain lift-off process are: The thickness of the coated material The coating technology (evaporation, sputtering, CVD, ...) and the maximum temperature the resist film has to stand during coating The requ...
متن کاملTransport Properties of Epitaxial Lift Off Films
Transport properties of epitaxially lifted-off (ELO) films were characterized using conductivity, Hall and Shubnikov-de Haas measurements. A 10-15% increase in the 2D electron gas concentration was observed in these films as compared with adjacent conventional samples. We believe this result to be caused by a backgating effect produced by a charge build up at the interface of the ELO film and t...
متن کاملControlling cell shape on hydrogels using lift-off protein patterning
Polyacrylamide gels functionalized with extracellular matrix proteins are commonly used as cell culture platforms to evaluate the combined effects of extracellular matrix composition, cell geometry and substrate rigidity on cell physiology. For this purpose, protein transfer onto the surface of polyacrylamide hydrogels must result in geometrically well-resolved micropatterns with homogeneous pr...
متن کاملEpitaxial lift-off of ZnSe based II–VI structures
The epitaxial lift-off technique is applied to II–VI based structures. Epilayers of 255 nm thickness containing quantum wells are lifted off their substrates and redeposited onto polyimide coated GaAs. The technique has also been applied to II–VI samples onto which dielectric films had been deposited. Photoluminescence measurements show that the material quality has not been degraded during the...
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ژورنال
عنوان ژورنال: Nature
سال: 1991
ISSN: 0028-0836,1476-4687
DOI: 10.1038/350451a0