Question

A semiconductor company is not willing to use silicon wafer with a boron content of more than 2.35%. Based on the following histogram, what percent of the silicon is in this category?

Answer 1

buiven that a Jem ond uctot ompany i no Content 0, motuo than 2.35: . u this tategory baed n the histog ham to ue silion waur with a boton We are to find the トer co n tage a{ the silicon pnov i dad Accos ding to the tistogran total contentsilicon s gen by 4,5-t 19.2 + 18 + 18.7 + 41.4 + 40+10.8 And the tのntent of sill con that is less than 2a5y uu qren s(く25%) = 01X5 + 1.2x16+1.5 y 12+ 1-7X11 +2.3 X18 - 45+ 19 2+ 18+18 =lo l'8 + 41- . To tal トencontageof silicon in thu categ Is ISPG 0.6671
Answer : The percentage of silicon in the given category is 66.71%.

The calculations are discussed in the attached file.