tailieunhanh - Fabrication Technology By B.G.Balagangadhar

Sophisticated manufacturing technologies are becoming available to regular people. In their 2009 annual report Innovations That Could Change the Way You Manufacture, the Society of Manufacturing Engineers (SME) selected personal-scale manufacturing machines as a technology that “could change the way we do manufacturing.” Last year, the Economist said “home-scale, or personalized manufacturing technologies offer a new approach to designing and making objects that will change the way we design, transport, and consume physical products, unleashing new product ideas, new educational methods and new business models. 1 Recently the New York Times ran an article describing the explosive. | Fabrication Technology By Department of Electronics and Communication Ghousia College of Engineering Ramanagaram 1 OUTLINE Q Introduction Q Why Silicon Q The purity of Silicon Q Czochralski growing process Q Fabrication processes Q Thermal Q Oxidation Q Etching techniques Q Diffusion 2 Expressions for diffusion of dopant concentration o Ion implantation o Photomask generation o Photolithography Epitaxial growth o Metallization and interconnections o Ohmic contacts Planar PN junction diode fabrication Fabrication of resistors and capacitors in IC s.