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Class Information
Number: 257/E27.072
Name: Active solid-state devices (e.g., transistors, solid-state diodes) > Device consisting of a plurality of semiconductor or other solid state components formed in or on a common substrate, e.g., integrated circuit device (epo) > Including semiconductor component with at least one potential barrier or surface barrier adapted for rectifying, oscillating, amplifying, or switching, or including integrated passive circuit elements (epo) > With semiconductor substrate only (epo) > Including a plurality of individual components in a repetitive configuration (epo) > Including bipolar component (epo)
Description: This subclass is indented under subclass E27.07. This subclass is substantially the same in scope as ECLA classification H01L27/102.










Sub-classes under this class:

Class Number Class Name Patents
257/E27.074 Including bipolar transistor (epo) 21
257/E27.073 Including diode only (epo) 142
257/E27.079 Thyristor (epo) 41
257/E27.08 Unijunction transistor, i.e., three terminal device with only one p-n junction having a negative resistance region in the i-v characteristic (epo) 5


Patents under this class:

Patent Number Title Of Patent Date Issued
8610216 Structure for protecting an integrated circuit against electrostatic discharges Dec. 17, 2013
8581299 Semiconductor device Nov. 12, 2013
7893490 HVNMOS structure for reducing on-resistance and preventing BJT triggering Feb. 22, 2011
7834370 Semiconductor light emitting device, illuminating device, mobile communication device, camera, and manufacturing method therefor Nov. 16, 2010
5864152 Semiconductor memory and method of writing, reading, and sustaining data Jan. 26, 1999











 
 
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