Class 257/E21.474 - Using mask (EPO)

Subclass of Class 257 - Active solid-state devices (e.g., transistors, solid-state diodes)
Definition: This subclass is indented under subclass E21.473. This subclass
No. of patents: 1
Last issue date: 10/21/2008

Number	Title	Issue Date
7439163	Methods for fabricating fluid injection devices Methods for fabricating fluid injection devices. A patterned sacrificial layer is formed on a substrate. A patterned first structural layer is formed on the substrate covering the sacrificial layer. At least one fluid actuator is formed on the structural layer. A fi...	10/21/2008

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