A cavitation structure for a print head has a first dielectric layer overlying at least a first portion of a substrate. A second dielectric layer has a first portion overlying at least a second portion of the substrate and a second portion, different from the first portion of the second dielectric layer, overlying at least a portion of the first dielectric layer. A cavitation layer has a first portion in contact with the first dielectric layer and a second portion in lateral contact with the second portion of the second dielectric layer. A third dielectric layer is disposed on only the first portion of the second dielectric layer.
CROSS REFERENCE TO RELATED APPLICATIONS
This is a divisional application of application Ser. No. 10/620,666, titled "FLUID-EJECTION DEVICES AND A DEPOSITION METHOD FOR LAYERS THEREOF," filed Jul. 16, 2003 now U.S. Pat. No. 7,025,894, which is a Continuation-in-Part of U.S. application Ser. No. 09/978,985 filed Oct. 16, 2001 (abandoned), which applications are incorporated herein by reference.
