Patent application number | Description | Published |
20090023285 | METHOD OF FORMING CONTACT OF SEMICONDUCTOR DEVICE - The present invention relates to a method of forming a contact of a semiconductor device. According to a method of forming a contact of a semiconductor device in accordance with an aspect of the present invention, first and second insulating layers are sequentially formed over a semiconductor substrate. A contact hole is formed by sequentially etching the first and second insulating layers. An aperture portion of the contact hole is widened by etching the second insulating layer. A conductive material is gap-filled over an entire surface including the contact hole, thus forming a contact. | 01-22-2009 |
20090050130 | Cooling and exhaust system of dual electric oven - A cooling and exhaust system of a dual oven has upper and lower ovens, in which, in one aspect, an installation structure of a cooling fan and an exhaust structure provided for respectively cooling and exhausting the upper and lower ovens may be integrated into a simplified structure having common components to increase the manufacturing productivity. In another aspect, fans provided at the upper and lower ovens may be independently controlled to operate at different speeds according to a desired operation to maximize the cooling efficiency. | 02-26-2009 |
20090050619 | ELECTRIC OVEN WITH MULTIPLE BROIL HEATERS AND METHOD FOR PREHEATING THE ELECTRIC OVEN - A electric oven is provided that includes a body, a cooking chamber located within the body for receiving food, the cooking chamber having an upper surface, a lower surface, and a rear surface joining the upper surface to the lower surface, at least one of a convection heater located at the rear surface of the cooking chamber and a bake heater located at the lower surface of the cooking chamber, and at least two broil heaters located at the upper surface of the cooking chamber, each of the at least two broil heaters being individually operable. Methods for preheating the electric oven are also provided. | 02-26-2009 |
20090068818 | METHOD OF FORMING AN ISOLATION LAYER OF A SEMICONDUCTOR DEVICE - In a method of forming an isolation layer of a semiconductor device, a gate insulating layer, a first conductive layer, and a hard mask are formed in an active region of a semiconductor substrate and a trench is formed in an isolation region. The trench is partially gap-filled by forming a first insulating layer in the trench. The trench is fully gap-filled by forming a second insulating layer on the first insulating layer. A polishing process is performed on the first insulating layer and the second insulating layer formed over the hard mask. An etchback process is performed to lower a height of the second insulating layer in the trench. The trench is gap-filled by forming a third insulating layer over the first insulating layer and the second insulating layer, thereby forming an isolation layer in the trench. Accordingly, the occurrence of a void within the isolation layer is prevented. | 03-12-2009 |
20090242541 | ELECTRIC OVEN AND DOOR THEREOF - A door provided with a plurality of insulation layers formed on a periphery portion of a door glass is provided. By the insulation layers, the transferring of heat generated in a cooking chamber to an external side can be remarkably reduced. | 10-01-2009 |
20090242542 | ELECTRIC OVEN - An electric oven has an air passage structure that is designed to effectively cool down electric components. The air passage structure quickly cools down a variety of electric components on a top surface of a cavity using air introduced from outside the oven. The oven has a series of passages and openings allowing the effective movement of air past the electric components and through the oven. | 10-01-2009 |
20100059035 | COOKER - Provided is a cooker. A carbon heater used as a convection heater is supported by a heater bracket and heater supporters, and light and heat generated from the carbon heater are transferred to the inside of a cooking chamber through convection, conduction, and radiation. | 03-11-2010 |
20100276412 | COOKING RANGE - A cooking range is disclosed. The range includes: a cook top section having a heating body configured to cook foods; an oven section having internal walls defining a cavity, a rack and a door, wherein the cavity is configured to accommodate the foods placed on the rack and the door is configured to open or close the cavity; a heating source configured to provide heat to the cavity when the cooking range is operated; and an air circulation mechanism having an exhaust slot and at least one suction slot and configured to suck air into the cooking range through the at least one suction slot and to discharge the air to the outside through the exhaust slot, wherein the at least one suction slot is positioned around the exhaust slot. | 11-04-2010 |
20100276413 | COOKING RANGE RELATED TECHNOLOGY - A cooking range includes a cook top section having a heating body configured to cook foods; an oven section having a cavity and a door, wherein the cavity has a rack configured to accommodate foods and the door is configured to open or close the cavity; a heating source configured to provide heat to the cavity when the cooking range is operated; and an air circulation mechanism having a first duct, a second duct and a fan and configured to discharge air provided from the first duct positioned at a surface of the cavity through the second duct in response to rotation of the fan, wherein the air circulation mechanism is configured to discharge air from the top section through the second duct while the air provided from the first duct is discharged. | 11-04-2010 |
20100276414 | COOKING RANGE - A cooking range includes a cook top section. The cooking range also include an oven section having walls defining a cavity and a door, wherein the cavity being configured to accommodate food and the door being configured to open or close the cavity. The cooking range further include a heating source configured to provide heat to the cavity when the cooking range is operated. In addition, the cooking range include a rack member coupled to the cavity, and configured to support a food container placed thereon, wherein at least a part of the rack member is configured to be rotated to rotate the food thereon. | 11-04-2010 |
20110008027 | COOKER AND CONTROLLING METHOD FOR THE SAME - A cooker and a controlling method for the same are provided. A carbon heater has a wavelength bandwidth of 1.5˜2.5 μm where a radiant energy is maximum, and the carbon heater provides the radiant energy into a cavity in order to heat food disposed therein. | 01-13-2011 |
20110017722 | Heater Supporter and Electric Hob Including the Same - Provided are a heater supporter and an electric hob including the heater supporter. A tube heater is supported by the heater supporter, and at least a portion of the heater supporter is formed of a ceramic containing material. Therefore, food can be cooked more rapidly, and the tube heater can be easily installed. Furthermore, damages caused by heat generated from the tube heater can be minimized. | 01-27-2011 |
20120097669 | COOKING APPLIANCE EMPLOYING MICROWAVES - The prevent invention relates to a cooking appliance employing microwaves. The cooking appliance employing microwaves according to the present invention comprises: a first microwave generating unit for generating and outputting a plurality of microwaves so as to heat an object in a cavity; and a second microwave generating unit for generating and outputting microwaves differing from those of the first microwave generating unit, so as to heat the object in the cavity. In this way, operating efficiency can be improved. | 04-26-2012 |
20120111312 | COOKING APPLIANCE - A cooking appliance comprises: a top plate divided into a grill area and a cooktop area; a cooktop area heating source disposed in proximity of the cooktop area; a grill area heater disposed adjacent the grill area; a cooking grill disposed adjacent the grill area for supporting food to be cooked; and a cooking grill heater mounted to the grill area for heating the cooking grill through contact with the cooking grill. | 05-10-2012 |
20120160228 | COOKING APPLIANCE - A cooking appliance includes: a cavity forming a cooking chamber, a wire rack detachable coupled with the cooking chamber, a wire rack fixing section mounted in the cavity for fixing the wire rack to the cooking chamber, and a wire rack heater mounted to the wire rack fixing section for transmitting heat to the wire rack through contact with the wire rack. | 06-28-2012 |
20120241445 | COOKING APPLIANCE EMPLOYING MICROWAVES - The present invention relates to a cooking appliance employing microwaves. According to the present invention, a cooking appliance employing microwaves comprises: a microwave generator for generating and outputting microwaves, provided with an amplifier for performing frequency oscillation and amplification; and a feeder for outputting the outputted microwaves into a cavity. Accordingly, high power microwaves can be easily generated without a separate frequency oscillator. | 09-27-2012 |
20130284728 | COOKING APPARATUS - Provided herein is a cooking apparatus. The cooking apparatus includes a plate forming a cavity, a microwave transmission line to transmit microwaves to the inside of the cavity, and a first metal part connected to one end of the microwave transmission line and extended in one direction so as to be parallel with the plate. Thereby, an antenna having improved efficiency is provided. | 10-31-2013 |