Abstract:
PROBLEM TO BE SOLVED: To provide a method of forming an air gap, especially useful as insulation between metal wires in an electronic device such as an electric wiring structure, within a solid structure. SOLUTION: A metal wire 15 is arranged on a dielectric layer 10 arranged on a base substrate 5. A sacrificial material 20 is arranged to a region between the metal wires 15 and is on the dielectric layer 10. A porous overlay 25 is arranged on the metal wire 15 and the sacrificial material 20. To leave the air gap, the sacrificial material is deteriorated and decomposed by heat, etc., and removed through the overlay. COPYRIGHT: (C)2004,JPO&NCIPI
Abstract:
An MEMS double-layer suspension microstructure manufacturing method, comprising: providing a substrate (100); forming a first dielectric layer (200) on the substrate (100); patterning the first dielectric layer (200) to prepare a first film body (210) and a cantilever beam (220) connected to the first film body (210); forming a sacrificial layer (300) on the first dielectric layer (200); patterning the sacrificial layer (300) located on the first film body (210) to make a recess portioned portion (310) for forming a support structure (420), with the first film body (210) being exposed at the bottom of the recess portioned portion (310); forming a second dielectric layer (400) on the sacrificial layer (300); patterning the second dielectric layer (400) to make the second film body (410) and the support structure (420), with the support structure (420) being connected to the first film body (210) and the second film body (410); and removing part of the substrate under the first film body (210) and removing the sacrificial layer (300) to obtain the MEMS double-layer suspension microstructure. In addition, an MEMS infrared detector is also disclosed.
Abstract:
The present invention generally relates to a method for forming a MEMS device and a MEMS device formed by the method. When forming the MEMS device, sacrificial material is deposited around the switching element within the cavity body. The sacrificial material is eventually removed to free the switching element in the cavity. The switching element has a thin dielectric layer thereover to prevent etchant interaction with the conductive material of the switching element. During fabrication, the dielectric layer is deposited over the sacrificial material. To ensure good adhesion between the dielectric layer and the sacrificial material, a silicon rich silicon oxide layer is deposited onto the sacrificial material before depositing the dielectric layer thereon.
Abstract:
SUMMARY The present invention refers to a procedure for the manufacture of micro-nanofluidic devices for flow control such as microvalves, micropumps and flow regulators, using a photodefinable polymer and an elastomer as structural materials and to the micro-nanofluidic devices for flow control obtained by said procedure.
Abstract:
A method for manufacturing a three-dimensional structure (1) includes forming a first structure (20) having a relief pattern on a substrate (10), forming a sacrifice layer (30) on the first structure such that the sacrifice layer can be filled in a concave part (25) of the first structure and the sacrifice layer can cover a surface (23) of a convex part (22) of the first structure on a side opposite to the substrate, forming a second structure (40) having a relief pattern on the sacrifice layer, and a fourth step of removing the sacrifice layer from between the first structure and the second structure, and thereby bringing the second structure into contact with the surface of the first structure.
Abstract:
A three-dimensional structure element having a plurality of three-dimensional structural bodies and capable of being uniformly formed without producing a dispersion in shape of the three-dimensional structural bodies, comprising a substrate (11) and the three-dimensional structural bodies (1) disposed in predetermined effective area (20) on the substrate (11); the three-dimensional structural bodies (1) further comprising space parts formed in the clearances thereof from the substrate (11) by removing sacrificing layers, the substrate (11) further comprising a dummy area (21) having dummy structural bodies (33) so as to surround the effective area (20), the dummy structural body (33) further comprising space parts formed in the clearances thereof from the substrate (11) by removing the sacrificing layers, whereby since the dummy area (21) is heated merely to approx. the same temperature as the effective area (20) in an ashing process for removing the sacrificing layers to prevent a temperature distribution from occurring in the effective area (20).