After his doctorate in 1989 , Betzig was hired by AT ’ T Bell Laboratories in the semiconductor physics department . After receiving his doctorate , Betzig was hired by AT & T Bell Laboratories in the Semiconductor Physics Research Department in 1989 .
Selepas kedoktorannya pada tahun 1989, Betzig telah disewa oleh AT Bell Laboratories di jabatan fizik semikonduktor. Selepas menerima ijazah doktor falsafahnya, Betzig telah diupah oleh AT & T Bell Laboratories di Jabatan Penyelidikan Fizik Semikonduktor pada tahun 1989.