sir,
I read the vaccume tubes & then semiconductor electronics.But I want know when did the scientists exactly switched from vaccume tubes to semiconductor devices & want to know who is the first man to make & use the first semiconductor device.please, help me with the related sites.
thanking you [/list]
I read the vaccume tubes & then semiconductor electronics.But I want know when did the scientists exactly switched from vaccume tubes to semiconductor devices & want to know who is the first man to make & use the first semiconductor device.please, help me with the related sites.
thanking you [/list]