after slicing or polishing: reviews work orders to determine processing steps. ) sets temperature controls on automatic chemical cleaning machine or sinks of chemical cleaning station. ) places containers of semiconductor wafers into drum of cleaning machine or into heated sinks of solutions in cleaning...
, using microscope, to identify processing defects: places wafers on stage of microscope, using tweezers or vacuum wand. ) examines surface of wafer and test patterns on wafers, using microscope, and compares wafers to specification diagrams to identify processing defects, such as scratches, contamination...
according to written specifications: loads semiconductor wafers into processing containers for processing or into inspection equipment, using tweezers or vacuum wand. ) cleans and dries photo masks and semiconductor wafers to remove contaminants, using cleaning and drying equipment. ) inspects photo...
this knowledge and process control can be achieved by precise measurement of the total reflectance of the textured cells. our helios lab-rc is the perfect tool to measure, analyze and optimize the widely used chemical texturing processes. it measures the total reflectance of bare and coated solar wafers...
in templates for polishing: cleans templates, using cleaning solution and brush or towel, or tends machine that automatically cleans templates. ) places cushion in template depressions and places wafers on cushion, or places wafers on waxed template. ) positions templates in press and activates press...
i am sitting at my favorite place, on the stairs at the front door eating cheese wafers we made with my grandmother yesterday and listen to the quiet little noise leaves are making when they arrive at the bottom after falling down slowly from the cherry tree. this idyllic relaxing moment ends when my...
. july announced the development of glanzox polish for silicon wafers. to may commenced operations at the inazawa plant. developed "fdp" for grinding optical lenses developed the "glanzox" series of polishing materials for silicon wafers launched the "insec" series of polishing materials for gaas wafers...
stainless steel station front end it is used for pre-diffusion, pre-furnace & rca. some of the common front end cleaning are . resist strip . nitride etch or strip . residue clean, post etch, or post ash clean . oxide etch . sti (shallow trench isolation) clean rinsing tanks after cleaning/etching the wafers...