Labels:crt screen | hakham | house | plaything | poster | railing | sky | trade name | tree OCR: THE COMPUTER INDUSTRY HISTORY, CAREERS AND ETHICS 5 3 5 What's the problem with CRTs? Bulky cathode ray tubes (CRTs) pasn n older computer monitors and televisions are electronic vacuum tubes containing mechanism that essentially shoots stream of high- speed electrons at the front of the screen as shown in Figure 9-50 Inner maonetic FIGURE 9.50 shield The electron un6 in CRT Electron beam Panel alass sprays beam of electrons the screen Electron gun Shadow mask Funnel alass Frame Phosphor screer The electron beam in a CRT generates X-rays. very low frequency (VLF) radiation, and extremely low frequency (ELF) radiation Consumers became concerned that these emissions might be health risk. some studies, emissions from CRTs have been associated with increased risk Q cancer, birth defects, and m ...
