Preview: 1993 Spring Meeting
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terials, which includes SiGe quantum wells, nanopartides, and Er-doped silicon. As traditional optical lithography reaches its resolution limits, x-ray lithography is a possible route to making finer features. Researchers will cover the latest developments on masks, resists, x-ray sources, and x-ray optics. X-rays are also featured in a symposium on synchrotron radiation techniques, used to probe almost every type of material. Infrared detectors made from compound semiconductors, HgCdTe, Si, silicides, Pb salts, and novel materials fills one symposium. Another symposium covers materials used for room-temperature radiation detectors and applications of these materials in medicine, space, robotics and even in the verification of nuclear materials in international safeguards. A panel discussion Tuesday evening will highlight late-breaking results on giant magnetoresistance in magnetic alloy thin films. Will these materials offer a simple
route to magnetic devices? The symposium on theory is taking a broad approach by having joint sessions with other symposia on magnetic multilayers, giant magnetoresistance, and mechanics of epitaxial layers. In addition, the symposium presenters are starting the week with an issues-oriented session, given by Praveen Chaudhari from IBM, who will look generally at MS&E policy, and then will specifically target opportunities in theory. Polymers take their place in the meeting with a cluster of three symposia covering polymer/inorganic interfaces, high-performance polymers and polymer matrix composites, and organic materials for nonlinear optics. A new symposium will look at the difficult problem of joining advanced inorganic materials, such as ceramic to ceramic, and metal to ceramic. Techniques to solve this problem include diffusion bonding, microwave and laser joining, soldering, and novel welding techniques. Fundamentals of adhesion, bonding, mechanical stress, and interfacial thermodynamics establish the foundation for a deeper understanding of this field. Geologists and ceramists will seek common ground in a symposium on deformation and failure in rocks and ceramics, examining brittle fracture, superplasticity, and densification. There will be ample opportunity to bone up on hydroxyapatite, the principal inorganic constituent in hard tissue. In addition to its role in osteoporosis and tooth decay, hydroxyapatite exhibits interesting properties for coatings, catalysis, and other applications. For a complete list of technical symposia and session titles, see the matrix on the following pages.
Special Features Plenary Presentation and Awards Cere- manufacturing, transferring technology from cerns that relate to materials science. Deanna
mony. The Plenary speaker Tuesday evening will be Craig R. Barrett, the chief operating officer of Intel Corporation. Barrett joined Intel in 1974, and has held a variety of positions, from reliability and quality assurance to components technology. The Outstanding Young Investigator Award and the Graduate Student Awards will be given immediately be
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