摘要:
A banknote acceptor is disclosed to have a banknote verification assembly detachably mounted in a housing for verifying the authenticity of the inserted banknote by means of an optical transmitter module, which uses an UV LED to emit UV light through the inserted banknote, and an optical receiver module, which uses a phototransistor to receive light passed from the UV LED through the banknote and to produce a corresponding output signal indicative of the fluorescent reaction of the fluorescent characteristics of fluorescent filaments of the paper material or the fluorescent reaction of the ink of the inserted banknote for enabling a control unit to verify the authenticity of the inserted banknote and for enabling a banknote holding down mechanism to force the verified banknote into a money box and hold it in place.
摘要:
A method for monitoring a processing tool in a semiconductor manufacturing facility includes selecting key hardware parameters for a virtual sensor system based on manufacturing data associated with a fabrication tool and collecting manufacturing data associated with the fabrication tool. The method further includes dynamically maintaining the virtual sensor system during the manufacture of a plurality of semiconductor products and using the virtual sensor system and the collected manufacturing data for predicting a condition of a semiconductor product after being processed by the fabrication tool.
摘要:
A method of embedding a semiconductor chip in a support plate and an embedded structure thereof are proposed. A first dielectric layer having a reinforced filling material is provided, and a semiconductor chip is mounted on the first dielectric layer. A support plate having an opening and a second dielectric layer having a reinforced filling material are provided. The first dielectric layer mounted with the semiconductor chip, the support plate, and the second dielectric layer are pressed together, such that the semiconductor chip is received in the opening of the support plate, and the dielectric layers fill in a gap between the semiconductor chip and the opening of the support plate. The reinforced filling material of the dielectric layers can maintain flatness and consistency of the semiconductor chip embedded in the support plate, and fine circuits can be fabricated on the support plate by build-up and electroplating processes.
摘要:
A flip chip packaging method is disclosed. First, a substrate is provided, in which the substrate comprises a plurality of integrated circuit (IC) package substrate units therein and the surface of each IC package substrate unit comprises a plurality of connecting pads. Next, an insulating layer with patterns is formed on the substrate and the connecting pads and a plurality of openings by partially exposing the upper surface of the connecting pads. Next, a conductive material is disposed within each opening. Next, a plurality of chips is provided, in which a plurality of conductive bumps is formed over the bottom surface of the chip. Lastly, the chips are mounted over the surface of the IC package substrate unit and the substrate is separated into a plurality of flip chip package structures, in which the surface of each flip chip package structure includes at least one chip.
摘要:
A substrate for a pre-soldering material and a fabrication method of the substrate are proposed. The substrate having at least one surface formed with a plurality of conductive pads is provided. An insulating layer is formed over the surface of the substrate in such a way that a top surface of each of the conductive pads is exposed. Next, a conductive film and a resist layer are formed in sequence on the insulating layer and the conductive pads, wherein a plurality of openings are formed in the resist layer to expose a part of the conductive film above the conductive pad. Then, a pre-soldering material is deposited over the conductive pad by stencil printing or electroplating process.
摘要:
A method for fabricating semiconductor packages with semiconductor chips includes: providing a reel tape capable of being rolled up, the reel tape for accommodating at least one row of carriers; mounting at least one semiconductor chip in each of the carriers, wherein a plurality of electrode pads are provided on an upper surface of the semiconductor chip; and forming a dielectric layer and a circuit layer on each set of the carriers and the semiconductor chips, wherein the circuit layer is electrically connected to the electrode pads of the semiconductor chip, so as to package the semiconductor chip in each of the carriers to form a package. The above method can continuously fabricate packages, and prevent imprecise positional alignment on a large carrier panel, as well as avoid the necessity of fabricating conductive bumps on the semiconductor chip for electrical connection, such that the fabrication costs can be reduced.
摘要:
A three dimensional package structure with semiconductor chip embedded in substrate and a method for fabricating the same are proposed. A carrier with at least one cavity is mounted on a first insulating layer, and at least one semiconductor chip is mounted on the first insulating layer and received in the cavity of the carrier. A second insulating layer is formed on the carrier and the semiconductor chip. By performing a pressing process on both of the first insulating layer and the second insulating layer, a gap between the carrier and the semiconductor chip is filled. A circuit layer may be formed on the second insulating layer and is electrically connected to the semiconductor chip. Heat dissipating vias are formed in the first insulating layer and are connected to the semiconductor chip and a heat dissipating circuit so as to facilitate dissipation of heat generated from the semiconductor chip.
摘要:
A method for fabricating a multi-layer circuit board with fine pitch is provided. First, a plurality of contact pads is disposed on a core substrate. Next, a first dielectric layer, a second dielectric layer, and a third dielectric layer are formed on the core circuit board, in which a plurality of patterned openings are formed in the third dielectric layer and a plurality of vias is formed in the first and second dielectric layer, and the vias are located at the openings corresponding to the contact pads. Next, a conductive seed layer is disposed on the patterned openings and vias and a conductive layer is disposed on the conductive seed layer for forming circuit in each patterned opening and conductive via. Finally, removing the conductive layers and the conductive seed layer on the surface of third dielectric layer and forming a separation for each conductive circuit at each opening.
摘要:
A semiconductor manufacturing information framework to operate a processing tool includes a data acquisition system (DAS), a virtual metrology (VM) system, a fault detection and classification (FDC) system and an advanced process control (APC) system. The DAS is operable to receive data related to the processing of a workpiece by the processing tool or sensors coupled on tool. The VM system is operable to receive the data from the DAS and predict results of the workpiece processed by the processing tool or sensors. The VM system generates at least one first output indicative of the results. The FDC system is operable to receive the data and generate at least one second output indicative of an operating status of the processing tool. The APC system is operable to receive the at least one first or second outputs, and, in response, generate at least one third output to control the processing tool.
摘要:
A method for fabricating conductive bumps of a circuit board is proposed. First of all, a circuit board having a first surface and a corresponding second surface is provided. A circuit structure having a plurality of conductive pads is formed on each of the first surface and the second surface, and conductive structures are formed in the circuit board for electrically connecting the circuit structures. Also, an insulating layer having a plurality of openings penetrating therethrough is formed on the circuit board for exposing the conductive pad. Then, a conductive layer is formed on a surface of the insulating layer having the opening formed on the first surface of the circuit board. An electroplating process is performed via the conductive layer and the conductive structure, such that a conductive bump is formed on the conductive pad located on the second surface of the circuit board. Subsequently, a resist layer is formed on the second surface of the circuit board to cover the conductive bump, and another resist layer having openings penetrating therethrough is formed on the first surface of the circuit board to expose the conductive pad. Finally, a conductive bump is formed on the conductive pad located on the first surface of the circuit board by an electroplating process. By such arrangement, the conductive bumps are successively formed on the first surface and the second surface of the circuit board.