ACCRETECH

Precision measuring machines, namely wafer thickness measuring machine, non-contact flatness measuring machine, digital length measuring machine, laser interference length measuring sensor, optical fiber laser interferometer measuring machine, surface texture measuring machine, three-dimensional measuring machine, surface texture and contour measuring machine, contour measuring machine, roundness measuring machine, roundness and cylindrical/flat profile analysis machine, coordinate measuring machine; data processing machines for use in processing coordinate measuring data, machine control gauge, displacement sensor, electric micrometer, pneumatic micrometer; computer controlled discrete device tester; automatic die selector, namely computerized equipment for testing semiconductors and for selection of dies for semiconductor manufacture; Electric or magnetic measuring machines/instruments, namely electric current or voltage detectors, magnetic measuring apparatus namely magnetic sensors, capacity measures; Optical apparatus/instruments, namely microscopes; Electronic machines and instruments and their parts and fittings, namely ultrasonic depth sounders; Automatic distribution vending machines; Network system comprised of computer hardware and software for wafer probing machines; Wafer inspection units

Repair and maintenance service for manufacturing and measuring apparatus, namely-- Metal working machines and tools, namely grinding machines, metal cutting machines; Chemical machines/apparatus, namely semiconductor wafer drying machines, semiconductor wafer scrubbing and washing machine; Semiconductor manufacturing equipment, namely wire slicing machine, wafer slicing machine, slicing machines for non-silicon wafers, sliced wafer carbon demounting and cleaning machine, wafer edge grinding machine, wafer probing machine, wafer dicing machine, dicing machine, chemical mechanical planarizers, and chemical mechanical grinders and back grinders; and Precision measuring machines and instruments used for production of semiconductor, liquid crystal and electronic components, namely wafer thickness measuring instrument, non-contact flatness measuring instrument, machines control gage, automatic measuring machine, displacement sensor, electric micrometer, pneumatic micrometer, digital length measuring instrument, laser interference length measuring sensor, optical fiber laser interferometer measuring unit, surface texture measuring instrument, three-dimensional measuring instrument, surface texture and contour measuring instrument, contour measuring instrument, roundness measuring instrument, roundness and cylindrical/flat profile analysis unit, coordinate measuring machines; repair and maintenance of data processing machines for use in processing coordinate measuring data; Computer controlled discrete device tester; automatic die selector, namely computerized equipment for testing semiconductors and for selection of dies for semiconductor manufacture; Wafer inspection units; Electric or magnetic measuring machines/instruments, namely electric current or voltage detectors, magnetic measuring apparatus namely magnetic sensors, capacity measures; Optical apparatus/instruments, namely microscopes; Electronic machines/instruments and their parts/fittings, namely ultrasonic depth sounders; Automatic distribution vending machines