Ammonia-free cleaning compositions for cleaning microelectronic substrates, and particularly to such cleaning compositions useful with and having improved compatibility with microelectronic substrates characterized by sensitive porous, low-k and high-k dielectrics and copper metallization. Cleaning compositions for stripping photoresists, cleaning residues from plasma generated organic, organometa...

PURPOSE: A spray nozzle device of a wet scrubber is provided to prevent a nozzle from being clogged due to foreign materials, and to wash minute dusts while improving deodorization efficiency of bad smell gas. CONSTITUTION: A wet scrubber comprises a base tower, a spray nozzle device, and a pure water supplying pipe. A spray nozzle device includes a plurality of nozzles(10) and a reflection plate(...

An MIM capacitor and a manufacturing method thereof are provided to form a trench structure for the MIM capacitor and a via through a single pattern process, thereby simplifying a manufacturing process and reducing production costs. A method for manufacturing an MIM capacitor comprises the following steps of: forming a first insulating layer(130) on a first metal layer(110) to be used as a bottom ...

PURPOSE: A method for calculating charged traffics per a subscriber of each Internet service to design an Internet network is provided to calculate the charged traffic per the subscriber by applying a busy hour traffic of entire network. CONSTITUTION: The subscribers are divided into the first group connecting to the Internet through the ADSL(Asymmetric Digital Subscriber Line), the second group c...

PURPOSE: A rice paddy field working machine of riding type is provided to ensure an easy turning without damaging a rice paddy field while attaining a compact structure of running system and an improved operability in stopping a machine body. CONSTITUTION: A drive side boss member(96A) supporting a drive side friction board of a side clutch(96) is mounted on the right and left parts of a lateral t...

In a heating device for fixing, an incandescent lamp having a filament along the axis of a tubular container is provided. The heating device has a reflective mirror having an opening on a light emitting side thereof, which is provided along the axis of the incandescent lamp, and a condenser lens which is provided over the opening of the reflective mirror.

A plasma display panel including a plurality of discharge cells each having a display electrode pair made of a scan electrode and a sustain electrode formed in a row direction, and a data electrode formed in a column direction is driven in one field period including a plurality of subfields. The subfield has an initializing period of making initializing discharge occur in the discharge cell, a wri...

A vehicular body structure is provided to make a slide door and a hinged door attached in two kinds of surface formed in the filler. A vehicular body structure comprises a door(4) which opens and closes a door opening(3) formed in a vehicle, a latch which supports the door in the closing position (D1) closing the door opening, and plural lock units(J1,J2,J3) consisting of a striker. One or more fi...

PURPOSE: An alphabet key input apparatus for preferentially assigning alphabet of predetermined groups to the other input key is provided to input alphabet by minimum key input by assigning single character on the same key. CONSTITUTION: A configuration character of each character combination within the first letter group is similar to the same key in consideration with use frequency. It is not ov...

Disclosed are a semiconductor device and a manufacturing method thereof. The semiconductor device includes a gate electrode in a first trench in a semiconductor substrate, a ground area in a second trench facing the gate electrode, and source and drain areas in third and fourth trenches at ends of the gate electrode, respectively. A transistor having a micro-size is obtained, so that a semiconduct...

PURPOSE: A glare tester for natural sunlight and artificial lighting is provided to inspect glare sensation by controlling a rotation angel and a moving speed of a glare light source by a guide rail and a driving motor. CONSTITUTION: A background light source(120) irradiates the light to a hemispherical screen(100). A glare light source(130,140) is movably arranged inside the hemispherical screen....

PURPOSE: A method and a system for measuring glare of natural lighting and artificial lighting are provided to obtain glare sensation distribution data by setting the rotation angle and the moving speed of the glare light source arbitrarily. CONSTITUTION: A background light source irradiates the light to a hemispherical screen. A reference light source and a test light source are arranged inside t...

A louver for the bulletproof grill of special car is provided that the impact of the foreign body is effectively reduced. A louver for the bulletproof grill of special car comprises a central part(1) made of one out of iron and iron alloy steel, an outer surface part(2) made of nonferrous metal different from the central part, an intermediate layer(3) consisting of the carbon elastomer. The louver...

PURPOSE: A standard frame for installing column is provided to guarantee enough strength which position or direction of the column does not change during the process of curing element concrete. CONSTITUTION: A standard frame for installing column comprises a pair of support (10), a pair of female screw member (20), a pair of male screw member (30), and column supporting part (40). The pair of supp...

A wired or wireless unified authentication providing method utilizing a USIM providing a subscriber authentication service in wired or wireless internet is provided to supply more convenient internet services to a user by supplying wire-wireless integrated authentication using the USIM. A USIM embedded terminal supplies personal information to a service providing server(S200). The terminal request...

PURPOSE: A control device of ignition of a double-faced grill and a method thereof are provided to ignite upper and lower grill burners safely and efficiently by igniting the lower grill burner after igniting the upper grill burner, and to prevent explosion from leak of waste gas by igniting the upper grill burner regardless of waste gas. CONSTITUTION: A control unit of a microcomputer detects sel...

A method and an apparatus for providing a present by using a mobile communication network, and a system thereof are provided to enable an insurance salesman, a finance salesman, and asset mangers managing customers to transmit presents to the customers collectively by interlocking with directories, thereby reducing efforts and costs required to provide the presents. A method for providing a presen...