Abstract:
Polymers, methods of use thereof, and methods of decomposition thereof, are provided. One exemplary polymers, among others, includes, a composition having a sacrificial polymer and a pthotoacid generator.
Abstract:
Polymers, methods of use thereof, and methods of decomposition thereof, are provided. One exemplary polymers, among others, includes, a composition having a sacrificial polymer and a pthotoacid generator.
Abstract:
A method for using an organic dielectric as a sacrificial layer for forming suspended or otherwise spaced structures. The use of an organic dielectric has a number of advantages, including allowing use of an organic solvent or etch to remove the sacrificial layer. Organic solvents only remove organic materials, and thus do not affect or otherwise damage non-organic layers such as metal layers. This may reduce or eliminate the need for the rinsing and drying steps often associated with the use of acidic etchants such as Hydrofluoric Acid.
Abstract:
A micro-scale interconnect device with internal heat spreader and method for fabricating same. The device includes first and second arrays of generally coplanar electrical communication lines. The first array is disposed generally along a first plane, and the second array is disposed generally along a second plane spaced from the first plane. The arrays are electrically isolated from each other. Embedded within the interconnect device is a heat spreader element. The heat spreader element comprises a dielectric material disposed in thermal contact with at least one of the arrays and a layer of thermally conductive material embedded in the dielectric material. The device is fabricated by forming layers of electrically conductive, dielectric, and thermally conductive materials on a substrate. The layers are arranged to enable heat energy given off by current-carrying communciation lines to be transferred away from the communciation lines.
Abstract:
Provided is a microfluidic film including a first microfluidic film including a first base film, a first microchannel, which is formed on the first base film and through which a fluid flows, and a first through passage, which is configured to pass through the first base film, and a second microfluidic film including a second base film being stacked on the first base film and a second through passage, which is configured to pass through the second base film and communicates with the first through passage.
Abstract:
A sensor device, such as a biosensor, may comprise a polymer substrate, which is structured so as to form sets of microneedles and respective vias. The microneedles extend, each, from a base surface of the substrate. Each of the vias extends through a thickness of the substrate, thereby forming a corresponding set of apertures on the base surface. Each of the apertures is adjacent to a respective one of the microneedles. The device further may comprise two or more electrodes, these including a sensing electrode and a reference electrode. Each electrode may comprise an electrically conductive material layer that coats a region of the substrate, so as to coat at least some of the microneedles and neighboring portions of said base surface. Related devices, apparatuses, and methods of fabrication and use of such devices may be provided.
Abstract:
A micro-structure is manufactured by patterning a sacrificial film, forming an inorganic material film on the pattern, providing the inorganic material film with an aperture, and etching away the sacrificial film pattern through the aperture to define a space having the contour of the pattern. The patterning stage includes the steps of (A) forming a sacrificial film using a composition comprising a cresol novolac resin and a crosslinker, (B) exposing patternwise the film to first high-energy radiation, (C) developing, and (D) exposing the sacrificial film pattern to second high-energy radiation and heat treating for thereby forming crosslinks within the cresol novolac resin.
Abstract:
Method for encapsulation of a microelectronic component, including making of a portion of sacrificial material on a front face of a first substrate in which the component is intended to be made, then making of a cover encapsulating the portion of sacrificial material, then making of the component by etching the first substrate from its back face, such that part of the component is arranged to face the portion of sacrificial material and such that the portion of sacrificial material is accessible from a back face of the component, then elimination of the portion of sacrificial material by etching from the back face of the component, then securing of the back face of the component to a second substrate.
Abstract:
A hermetic package comprising a substrate (110) having a surface with a MEMS structure (101) of a first height (101a), the substrate hermetically sealed to a cap (120) forming a cavity over the MEMS structure; the cap attached to the substrate surface by a vertical stack (130) of metal layers adhering to the substrate surface and to the cap, the stack having a continuous outline surrounding the MEMS structure while spaced from the MEMS structure by a distance (140); the stack having a bottom first metal seed film (131a) adhering to the substrate and a bottom second metal seed film (131b) adhering to the bottom first seed film, both seed films of a first width (131c) and a common sidewall (138); further a top first metal seed film (132a) adhering to the cap and a top second metal seed film (132b) adhering to the top first seed film, both seed films with a second width (132c) smaller than the first width and a common sidewall (139); the bottom and top metal seed films tied to a metal layer (135) including gold-indium intermetallic compounds, layer (135) having a second height (133a) greater than the first height and encasing the seed films and common sidewalls.
Abstract:
A removable material is deposited or otherwise applied to a flat substrate surface in a pattern corresponding to desired corrugations in a membrane, e.g., a deflection diaphragm. The applied material serves as a scaffold for a polymeric material, which is applied thereover, and following cure or hardening, the polymeric material is removed to form a finished corrugated membrane.