state the functions of oxide layeri to mask
State the Functions of oxide layer
(i) To mask against diffusion or ion-implant,
(ii) To passivate surface electrically and chemically.
(iii) To isolate one device from another
(iv) To act as a component in MOS devices.
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what is the foundation of classification of cold and hot working cold and hot workingchanging the shape of material by extrusion forging rolling
what are the advantages of cold workingi no heat is requiredii better surface finish is obtainediii superior dimension controliv improved strength
what are the disadvantages of cold workingi higher forces are required for deformationii heavier and more powerful equipment is requirediii may
determine about the silicon silicon has a unique ability to be oxidized into silica that produces a chemically stable protective and insulating layer
state the functions of oxide layeri to mask against diffusion or ion-implantii to passivate surface electrically and chemicallyiii to isolate one
illustrate process of extrusion in this process a round heated billet of metal which is placed in a container is forced out through a die in a press
define the both - direct extrusion and indirect extrusiondirect extrusion billet is placed in a container and forced through the die by a
what is tube extrusion billet is placed inside a container between die and mandel mandel is pressed by ram and metal is extruded through the die this
explain about the impact extrusion blank is placed over the die and pressed by punch metal is squirted upward round the punch thickness of the part
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