An in situ surface characterization technique is developed to evaluate electrocatalytic materials. the technique utilizes the propagation of high frequency surface electromagnetic waves (sew) along, rather than perpendicular to, the electrocatalyst surface. electron scattering from various surface… More

Ecd invented and developed the concept of using a structural change in a material to store information. using semiconductor diode lasers to record, read, and erase information on phase change media offers the opportunity to have a product with the features of magnetic storage media with greatly… More

A development program is described which will confirm the feasibility of the ovonic threshold switch (ots) to protect electronic systems from emp or other electromagnetic disturbances. the device will be investigated for the case of very large electrode areas in order to confirm an expanding channel… More

The general objective of this proposal is to develop non-nuclear, high energy density enabling technology for a new kind of advanced solar high-power photovoltaic (pv) arrays for space applications. the specific objective is to fabricate an ultralight, flexible, pv array utilizing amorphous silicon… More

This document proposes research on the fabrication of a family of emp hardened connectors and cable hardware for aircraft and shipboard applications. these connectors and cable hardware would suppress emp transients through the integral incorporation of a thin film, high speed, high current ovonic… More

Polycrystalline silicon thin-film transistors have been successfully applied to liquid crystal displays on hard (softening point above 600 degrees centigrade) glass substrates, demonstrating the adequacy of their electrical characteristics for such applications. hard glass substrates were used… More

Computing systems that use complex graphic and image-based information require the storage and retrieval of very large data files. optical disk systems offer the largest storage capacity of any random access storage system. a major cost item in these drives is the high powr laser diode required.… More

The objective of this project is to design, fabricate, and test a prototype photovoltaic (PV) case for electrical equipment used in field operations. The PV case could charge the equipment's batteries and/or directly operate low power equipment such as receivers and computers without a battery. The… More

The current manufacturing and pilot operations utilize module assembly processes that have relatively high labor and material costs. this project addresses the cost and performance isses of processing the grids and bus bars used in amorphous silicon alloy thin film photovoltaic modules. … More

The objective of this program is to develop a thin/thick film materials deposition process technology which will reliably provide high quality materials for constructing Peltier thermo-elements with a high figure of merit over the temperature range of 250-350 Deg K. The study will focus on the… More

The objective of this program is to design a high energy density hydrogen stroage system, utilizing ECD's extensive experience in metal hydride technology. The system will be based on ECD's ability to develop novel metal hydrides that have the potential to achieve gravimetric energy density of… More

Portable electronic equipment, whether military or civilian, now typically contain rechargeable batteries. Often it is inconvenient or impossible to connect this equipment to conventional battery charging sources. It would be highly desirable to incorporate a built-in battery recharging source with… More

Energy conversion devices, inc. (ecd) has developed a high performance, thin film glass-like coating (clear coat (tm)) and deposition process that can improve the barrier properties of commodity polymer films by a factor of 100. the coating is transparent, colorless, nontoxic, low cost and does not… More

41405 November 20, 1996 Energy Conversion Devices, Inc. This project will investigate the feasibility of using a gas jet plasma technique to produce silicon films for solar cells. The technique has been used to prepare high quality silicon films at… More

The program objective is to investigate the feasibility of using a very high frequency (VHF) [70 MHz] plasma technique to produce high efficiency a-SiGe:H solar cells at relatively high deposition rates. Using the VHF technique, high quality a-SiGe:H material is expected due to enhanced low energy… More