摘要:
The invention relates to a novel process for preparing dimethyl cyanimidocarbonate (DCC, 3,3-dimethoxy-2-azaprop-2-enenitrile) from sodium cyanide, methanol, chlorine gas and cyanamide.
摘要:
The invention relates to a data carrier having at least one printed area produced by intaglio printing and partly covered with a film, and to a method for producing said data carrier.
摘要:
The invention relates to an electronic relay with an input plug-in contact (30) and at least one output plug-in contact (87, 87a) for a current to be switched, an electronic component (104) for processing data and for actuating a semiconductor switch (116) for switching the current, a wireless communications interface (106, 108) for connection to a wireless communications network (150), wherein the wireless communications interface is embodied for receiving a first data signal (118, 126) and for receiving a first switching signal (120), a control plug-in contact (15) for receiving a second switching signal (122), wherein the electronic component is embodied such that the semiconductor switch is actuated for switching the current based upon the reception of the first or second switching signal, and such that the first data signal received via the wireless communications interface is processed and, based upon a result of the data processing of the first data signal, the semiconductor switch is actuated for switching the current.
摘要:
The invention relates to a process for producing a glass sheet 10, 21 coated with a semiconductor material, which comprises the steps (a) production of a glass strip in a float bath 3 containing liquid tin; (b) discharge of the glass strip from the float bath 3 and optionally coating of the glass strip with a transparent, electrically conductive intermediate layer; (c) transfer of the uncoated or coated glass strip into a deposition chamber 5 for the physical deposition of the semiconductor material from the gas phase; and (d) coating of the coated or uncoated glass strip from step (c) with the semiconductor material by physical deposition of the semiconductor material from the gas phase at a gas pressure of at least 0.1 bar. The invention additionally relates to an apparatus for producing a glass strip coated with a semiconductor material, a process for producing a solar cell or a solar module and also a solar cell or a solar module which can be obtained by this process.
摘要:
The present invention relates to a photovoltaic module structure 1 and to a method for establishing an electrically conductive connection between two spaced contact layers 4″, 6′, in particular in the photovoltaic module structure 1 according to the invention. The production method is particularly simple and economical and the photovoltaic module structure 1 according to the invention enables a significant gain in efficiency.
摘要:
The present invention relates to gas evaporator devices (1) and methods for operating them. By virtue of the improvements according to the invention, the service life of conventional gas evaporator devices can be significantly improved, such that the maintenance and material outlay and hence the costs of the coating method are reduced. This is achieved by virtue of the fact that a shielding element (5) impermeable at least to passage of the material is provided at least between the mixture of gas and material flowing in the section (4), in which material to be evaporated is guided in a gas flow and is heated by the heating element (2), and the heating element (2).
摘要:
A semiconductor device having a semiconductor chip having an active surface with flip-chip contacts and a passive surface is disclosed. The flip-chip contacts are surrounded by an electrically insulating layer as underfill material, the layer having a UV B-stageable material. The UV B-stageable material is applied on the active surface of the semiconductor wafer.
摘要:
A semiconductor device having a semiconductor chip having an active surface with flip-chip contacts and a passive surface is disclosed. In one embodiment, the flip-chip contacts are surrounded by an electrically insulating layer as underfill material, the layer having a UV B-stageable material. The UV B-stageable material is applied on the active surface of the semiconductor wafer.
摘要:
A semiconductor chip (1) has a metal coating structure (2) which has on an active upper side (3) of the semiconductor chip (1) at least one lower metal layer (8) with copper or copper alloy, on which a central metal layer (9) with nickel is arranged. The metal coating structure (2) is terminated by an upper metal layer (10) of palladium and/or a precious metal. The central metal layer (9) with nickel and/or nickel phosphide has a rough interface (11) with respect to the plastic package molding compound surrounding the metal coating structure (2).
摘要:
A semiconductor device and a method for producing it is disclosed. In one embodiment, an adhesion-promoting layer having nanoparticles is arranged between a circuit carrier and a plastic housing composition for the purpose of enhanced adhesion.