Abstract:
The present invention relates to a method for manufacturing a printed circuit board and an apparatus for manufacturing the same; and, more particularly, to a method for manufacturing a printed circuit board and an apparatus for manufacturing the same capable of improving the degree of matching between contact holes and pads by correcting exposure position data of an exposing process for forming the pads according to positions of the contact holes.
Abstract:
Disclosed are a fuse box and a semiconductor integrated circuit having the same. The semiconductor integrated circuit includes a plurality of banks, column control blocks, and column fuse blocks. The plurality of banks including a plurality of mat rows and mat columns. The banks are arranged in row and column directions and disposed away from each other. The column control blocks are disposed in a space between the banks which are extended to the column direction. The column fuse blocks are disposed adjacent to the column control blocks and have a plurality of fuse boxes. The fuse boxes include fuse sets arranged in two rows. The fuse boxes are disposed to correspond to the one mat column. Each fuse box has an interconnection fuse and address fuses which are arranged with a constant interval and are the same type.
Abstract:
Example embodiments relate to a semiconductor device and a method of manufacturing the same. A semiconductor device according to example embodiments may have reduced disturbances during reading operations and a reduced short channel effect. The semiconductor device may include a semiconductor substrate having a body and a pair of fins protruding from the body. Inner spacer insulating layers may be formed on an upper portion of an inner sidewall of the pair of fins so as to reduce the entrance to the region between the pair of fins. A gate electrode may cover a portion of the external sidewalls of the pair of fins and may extend across the inner spacer insulating layers so as to define a void between the pair of fins. Gate insulating layers may be interposed between the gate electrode and the pair of fins.
Abstract:
Disclosed herein is a method of manufacturing a copper-clad laminate for Via-On-Pad application. The pad includes the steps of providing a first copper foil layer and a second copper foil layer, on the first surfaces of which protective layers are formed; placing two sets of a first copper foil layer, an insulating layer and a second copper foil layer above and below an adhesive layer, respectively; removing the protective layers, which have been respectively formed on the second copper foil layers, and parts of the second copper foil layers; forming via holes by removing parts of the insulating layers through the regions from which the parts of the second copper foil layers have been removed, using laser processing; and forming two copper-clad laminates by removing the protective layers, which have been respectively formed on one surface of one first copper foil layer and one surface of the other first copper foil layer, and the adhesive layer.
Abstract:
The present invention relates to a method for preparing high-purity alpha-lithium aluminate (α-LiAlO2). More specifically, the invention relates to a method for preparing alpha-lithium aluminate, which comprises mixing Al(OH)3 and Li2CO3 at a molar ratio of from 1:1 to 3:1 and heat-treating the mixture at a temperature of 500-800° C. and which can prepare high-purity alpha-lithium aluminate without needing to carry out a washing process.
Abstract translation:本发明涉及一种制备高纯度α-铝酸锂(α-LiAlO 2)的方法。 更具体地说,本发明涉及一种制备铝酸锂的方法,其包括以1:1至3:1的摩尔比混合Al(OH)3和Li 2 CO 3,并在500℃的温度下对混合物进行热处理 -800℃,可以制备高纯度的铝酸锂,不需要进行洗涤。
Abstract:
A printed circuit board and a method of manufacturing the printed circuit board are disclosed. The method of manufacturing a printed circuit board can include: processing a first hole, which has a tapered shape, in one side of a substrate by using a laser drill; processing a second hole, which has a tapered shape and which connects with the first hole, in the other side of the substrate by using a laser drill in a position corresponding to that of the first hole; and forming a conductive portion, which electrically connects both sides of the substrate through the first hole and the second hole, by performing plating. This method may be used for providing reliable interlayer connections.
Abstract:
A printed circuit board and a method of manufacturing the printed circuit board are disclosed. In an embodiment of the present invention, the method of manufacturing a printed circuit board can include: providing a pair of conductive layers, in which roughness of one surface of one of the pair of conductive layers is different from roughness of one surface of the other of the pair of conductive layers; and stacking the pair of the conductive layers on a dielectric layer such that one surface of one of the pair of conductive layers faces one surface of the dielectric layer and one surface of the other of the pair of conductive layers faces another surface of the dielectric layer.
Abstract:
Disclosed herein is a Radio Frequency (RF) modulator. The RF modulator includes a Chrominance-to-Luminance (C/L) delay compensation unit for receiving a video signal and compensating for a time delay between the chrominance and luminance signals of the video signal, and a modulation unit for receiving the video signal, which is compensated for by the C/L delay compensation unit, and an audio signal and converting the video and audio signal into a preset frequency-band RE signal. The C/L delay compensation unit and the modulation unit are packaged in a single package.
Abstract:
The present invention relates to a method of fabricating a nanoscale multi-junction quantum dot device wherein it can minimize constraints depending on the number or shape of patterns and a line width, and in particular, overcome shortcomings depending on the proximity effect occurring between patterns while employing the advantages of electron beam lithography to the utmost by forming a new conductive layer between the patterns and utilizing it as a new pattern.
Abstract:
Example embodiments relate to a semiconductor device and a method of manufacturing the same. A semiconductor device according to example embodiments may have reduced disturbances during reading operations and a reduced short channel effect. The semiconductor device may include a semiconductor substrate having a body and a pair of fins protruding from the body. Inner spacer insulating layers may be formed on an upper portion of an inner sidewall of the pair of fins so as to reduce the entrance to the region between the pair of fins. A gate electrode may cover a portion of the external sidewalls of the pair of fins and may extend across the inner spacer insulating layers so as to define a void between the pair of fins. Gate insulating layers may be interposed between the gate electrode and the pair of fins.