摘要:
Disclosed herein is a paroxetine cholate or cholic acid derivative salt and a composition comprising paroxetine and cholic acid or a derivative thereof. Further disclosed is a pharmaceutical composition comprising the paroxetine salt or the composition. The pharmaceutical composition can be formulated into an oral preparation for swallowing without water as an orally disintegrating tablet for paroxetine.
摘要:
The present invention relates to a microstrip band pass filter and, more specifically, to a microstrip band pass filter using end-coupled stepped impedance resonators that can be used in a millimeter wave band, wherein the microstrip band pass filter comprises: a dielectric substrate; a conductor plate located on a lower surface of the dielectric substrate; and an input terminal, a plurality of SIRs and an output terminal located on an upper surface of the dielectric substrate in series, wherein the input terminal, the plurality of SIRs and the outputs terminal are conductors and end-coupled through gaps, whereby the microstrip band pass filter has a good attenuation characteristic and a narrowband characteristic, and is insensitive to the manufacturing error, and a fine frequency transition can be made without distortion just with width adjustment of the low impedance transmission line of the SIR.
摘要:
Provided are a hetero-junction bipolar transistor (HBT) that can increase data processing speed and a method of manufacturing the hetero-junction bipolar transistor. The HBT includes a semi-insulating compound substrate, a sub-collector layer formed on the semi-insulating compound substrate, a pair of collector electrodes disposed at a predetermined distance apart from each other on a predetermined portion of the sub-collector layer, a collector layer and a base layer disposed between the collector electrodes, a pair of base electrodes disposed at a predetermined distance apart from each other on a predetermined portion of the base layer, an emitter layer stack disposed between the base electrodes, and an emitter electrode that is formed on the emitter layer stack, and includes a portion having a line width wider than the line width of the emitter layer stack, wherein both sidewalls of the emitter electrode are respectively aligned with inner walls of the pair of base electrodes, and sidewalls of the collector layer and the base layer are located between outer sidewalls of the pair of base electrodes of the pair of base electrodes.
摘要:
Provided is a dielectric waveguide filter. The filter includes: a multi-layered structure of dielectric substrates having first and second ground planes at its top and bottom; first, second, and third waveguide resonators disposed at multiple layers within the multi-layered structure; converters for signal transition between input/output ports and the first and third waveguide resonators; first vias for forming the first, second, and third waveguide resonators; and second vias disposed at a boundary surface of the first waveguide resonator and the third waveguide resonator.
摘要:
Provided is an air cavity module for a planar type filter operating in millimeter-wave frequency bands. The air cavity module includes: the planar type filter operating in the millimeter frequency bands; an air cavity having open side and top surfaces to mount the planar type filter therein; and an air cavity cover closing up the open top surface of the air cavity to allow the transmission of signals from and into the planar type filter. The air cavity module can lessen both transmission loss and radiation loss to improve the characteristics of the filter that operates in the millimeter-wave frequency bands.
摘要:
Provided is a narrowband microstrip type bandpass filter adapted- to a home network, telematics, an intelligent traffic system, and a satellite Internet, the microstrip type bandpass filter comprising: an input terminal for receiving a predetermined signal; an output terminal for outputting a selection signal in a characteristic band; a first resonator electrically coupled with at least a portion of the input terminal; a second resonator electrically coupled with at least a portion of the first resonator; and a third resonator electrically coupled with at least a portion of the output terminal and the second resonator, and a magnetic coupling is provided using a cross coupling gap or a cross coupling line between non-adjacent resonators, so that a pattern can be simplified by optimizing the design and the manufacturing process to provide low-cost millimeter-wave parts, the manufacturing cost can be reduced by miniaturizing the parts, and the mass production can be readily realized.
摘要:
Disclosed is a mobile phone for selectively performing transmission/receipt diversity when radio frequency signals are transmitted and received. The mobile phone includes control means for controlling transmission/receipt of the radio frequency signal and controlling transmission/receipt diversity; receipt adjusting means for controlling receipt of the radio frequency signal and controlling receipt diversity under control of the control means; first radio frequency signal receiving means for converting the radio frequency signal received through the first antenna into a baseband signal to be transmitted to the control means under receipt control of the receipt adjusting means; second radio frequency signal receiving means for converting the radio frequency signal received through the second antenna into a baseband signal to be transmitted to the control means under receipt diversity control of the receipt adjusting means; transmission diversity adjusting means for controlling transmission diversity under control of the control means; and radio frequency signal transmitting means for converting the baseband signal transmitted from the control means into a radio frequency signal to be transmitted to the first antenna and transmitting the radio frequency signal to the second antenna under transmission diversity control of the transmission diversity adjusting means.
摘要:
The present invention relates to a control panel for use in an ultrasonic diagnostic apparatus, which enables a user to input various commands via one input device, thereby providing convenience in use. The ultrasonic diagnostic apparatus includes a control part for controlling operations thereof and the control panel is configured to transfer an input made by a user to the control part. The control panel comprises: a first input device having a pointing function or a scrolling function; and a second input device disposed around the first input device, the second input device having a plurality of input sections and generating a signal when the user manipulates each input section. A command corresponding to the signal from the second input device is key-mapped by the control part.
摘要:
A silicon single crystal ingot growing apparatus for growing a silicon single crystal ingot based on a Czochralski method The silicon single crystal ingot growing apparatus includes a chamber; a crucible provided in the chamber, and for containing a silicon melt; a heater provided at the outside of the crucible and for heating the silicon melt; a pulling unit for ascending a silicon single crystal grown from the silicon melt; and a plurality of magnetic members provided at the outside of the chamber and for asymmetrically applying a magnetic field to the silicon melt Such a structure can uniformly controls an oxygen concentration at a rear portion of a silicon single crystal ingot using asymmetric upper/lower magnetic fields without replacing a hot zone In addition, such a structure can controls a flower phenomenon generated on the growth of the single crystal by the asymmetric magnetic fields without a loss such as the additional hot zone (H/Z) replacement, P/S down, and SR variance.
摘要:
An exposure apparatus is disclosed, the exposure apparatus for use with non-pellicle reticle including a sensing unit for detecting a particle at a reticle stage and a cleaner for cleaning the detected particle at the reticle stage.