(under the class definition) Process for making a semiconductor electrical device having a potential barrier between an electrode of small contacting or cross-sectional area in touching relationship with a substantially larger area of the semiconductor substrate, thus forming a potential barrier junction at the single point of contact therebetween.
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83, for a process of making a point contact device which is responsive to electromagnetic radiation.
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257, Active Solid-State Devices (e.g., Transistors, Solid-State Diodes),
