1. Do Now (4/16/12):  If you could only keep three electronic devices for the rest of your life, what would they be?  Support your answer.

2. SOLID-STATE ELECTRONICS 4/16/12

3. Solid-State Electronics  Solid-state electronics are circuits or devices built entirely from solid materials and in which the electrons, or charge carriers, are confined entirely within the solid materialelectronicselectronscharge carriers

4. Solid-State Electronics  Mounted on flexible thin film printed circuits in cameras and disk drives.  The beeping sound made by a cell phone, page or auto dashboard alarm.  The voice chip in an answering machine.  TV remote control. TV remote control  Laser pointer.  The inside of an MP3 player.MP3 player  A quartz watch.quartz watch  The image sensor in a digital camera and a camcorder.digital cameracamcorder  The computer monitor you are viewing.monitor  The mouse on your computermouse

5. Variables  V=volume  m=mass  M=atomic mass  N A =Avogadro’s number=6.02x10 23 atoms/mol

6. Formulas: