| http://www.w3.org/ns/prov#value | - A third embodiment of the present invention is a method of making a LDMOS transistor, comprising the steps of: forming a DWELL region, preferably by first introducing dopants of opposite conductivity types into the high voltage tank region using the single mask and then annealing the dopants of opposite conductivity type thereby forming a first doped well within a second oppositely doped well, in
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