摘要:
A coated substrate product is described comprising a substrate and a dielectric coating material comprising carbon, hydrogen, silicon, and oxygen. According to the method, the substrate is processed by plasma cleaning the surface and then depositing a dielectric coating by a suitable plasma process. The coating may contain one or more layers. The substrate may be a rigid material or a thin film or foil. The coated products of this invention have superior dielectric material properties and utility as substrates for the manufacture of rolled or parallel plate capacitors with high energy densities.
摘要:
Various embodiments of the present invention relate to an encapsulated ceramic element coated with polymer material applied precisely to the element edges that are exposed during dicing. Methods of applying the polymer, as well as specific polymers that are particularly useful are disclosed. For example, the polymer material may be applied using precise application methods such as ink-jet printing to direct-write the material precisely where specifically desired. Another method described in the use of photolithographic methods. Additionally, the inventors have identified polyimide as a particularly useful polymer material in connection with certain aspects.
摘要:
A coated substrate product is described comprising a substrate and a dielectric coating material comprising carbon, hydrogen, silicon, and oxygen. According to the method, the substrate is processed by plasma cleaning the surface and then depositing a dielectric coating by a suitable plasma process. The coating may contain one or more layers. The substrate may be a rigid material or a thin film or foil. The coated products of this invention have superior dielectric material properties and utility as substrates for the manufacture of rolled or parallel plate capacitors with high energy densities.
摘要:
A method for depositing a thick, adherent and coherent polycrystalline diamond (PCD) film onto a metallic substrate using a deposition rate of no greater than 0.4 .mu.m per hour. The resulting PCD Film has a smooth surface finish, enhanced crystal orientation in comparision to industrial grade diamond powder particularly in the (220) and (400) directions, and excellent electrical and thermal properties. The method enables one to deposit PCD films having a thickness of at least 12 microns for applications on flat as well as curved substrates having wide use in the electronics industry. Thick PCD films of this invention have been found to be ideal for dissipating heat from radio frequency (RF) and microwave (MW) devices.
摘要:
A method for profiling the chemical structure and elemental composition as a function of distance below the exterior surface of a thermoplastic article, and more particularly, to a method for determining the depth of permeation of a modifier into the interior of a thermoplastic article which has been treated with the modifier. The method utilizes a pulsed ultraviolet energy source having a fluence level and pulse duration sufficient to ablate material from the article's exterior surface to a series of successive predetermined distances below the exterior surface to expose successive interior surfaces while causing essentially no physical or chemical damage to each respecting interior surface exposed by ablation. The elemental and chemical compositions of each successive interior surface are analyzed by a surface sensitive spectrographic technique and the spectrographic results are compared to determine the depth of modifier permeation within the thermoplastic article.
摘要:
A system and method for detecting trace levels of a sample gas in a mass spectrometer having a vacuum chamber with a vacuum pump, an ionizer, extracting and imaging lens and a detector. A high pressure sample gas pulse is introduced into the vacuum chamber through a small orifice to produce a high density of sample gas in a region near the orifice. The density of the sample gas pulse is sufficient to substantially sweep residual background gas from the path of the pulse. A portion of the sample gas pulse is ionized and ions are extracted and imaged.