Misc: In 1877 ---------- Norris Russell, astronomer (Hertzsprung-Russell diagram) born?

Questions

chips: characteristic of thermal oxide caused by lateral 02 diffusion (it 'pecks')?

chips: polarity of photoresist which permits an iverted image of a photomask:?

chips: manufacturer of the pentium microprocessor and where mach is working?

chips: element existing abundantly in ordinary beach sand?

books: camoes wrote in this language.?