摘要:
A heat treatment apparatus including: a processing container for processing wafers held in a boat; heaters for heating the processing container; and a control section for controlling the heaters. Heater temperature sensors are provided between the heaters and the processing container, in-container temperature sensors are provided in the processing container, and movable temperature sensors are provided in the boat. The temperature sensors are connected to a temperature estimation section. The temperature estimation section selects two of the three types of temperature sensors, e.g. the movable temperature sensors and the in-container temperature sensors, and determines the temperature of a wafer according to the following formula: T=T1×(1−α)+T2×α, α>1, where T1 and T2 represent detection temperatures of the selected temperature sensors, and α represents a mixing ratio.
摘要:
The present invention provides a heat treatment apparatus having a high degree of freedom of an outlet design and capable of adjusting the rate of a reduction in the temperature of each part of a heater without using an adjustment valve. The heat treatment apparatus having a simple flow path structure can be constructed with simplified sealing and a reduced cost.The heat treatment apparatus 1 includes a process chamber 2, a tubular heater 3, a heat exhaust system 25 and a cooling section 26. The process chamber 2 accommodates objects W to be placed in multiple stages and to be treated. A predetermined heat treatment is performed in the process chamber. The heater 3 surrounds an outer circumference of the process chamber 2 and heats the objects W to be treated. The heat exhaust system 25 is adapted to exhaust an atmosphere present in a space 24 existing between the heater 3 and the process chamber 2. The cooling section 26 is adapted to blow a cooling fluid into the space 24 to cool the atmosphere. The heater 3 includes a tubular heat insulator 17, a heat generating resistor 18 and an outer shell 20. The heat generating resistor 18 is provided on an inner circumference of the heat insulator 17. The outer shell 20 is provided on an outer circumference of the heat insulator 17. The cooling section 26 includes at least one annular flow path 28 and an outlet 29. The annular flow path 28 is arranged between the heat insulator 17 and the outer shell 20. The outlet 29 is provided in the heat insulator 17. The outlet 29 is arranged to ensure that the cooling fluid is blown out of the outlet 29 toward a vertical central axis of the heat insulator 17 or in a direction oblique to the direction toward vertical central axis of the heat insulator 17.
摘要:
A carbon wire heating element sealing heater is provided. Therein, a carbon wire heating element using carbon fibers is sealed in a quartz glass member, wherein absorption water quantity of the carbon wire heating element is 2×10−3 g/cm3 or less.
摘要:
The fluid heating apparatus, in accordance with the present invention, developed to solve the technological problems described above is characterized by comprising at least a heating tube heating fluid to be supplied from fluid supply source, a heater section spirally formed on an outer periphery of the heating tube and a housing accommodating the heating tube and the heater section, wherein the heater section comprises a carbon wire heating element and a quartz glass tube in which the carbon wire heating element is enclosed.
摘要:
A rod-shaped heater provided is composed of a carbon wire heating element 2 sealed in a small or large diameter quartz glass tube, a small diameter quartz glass tube portions 3a and 3b charged with compressed wire carbon members at opposite ends thereof; a sealed terminal section 10 having connection lines 11a and 11b for power supply held between the compressed wire carbon members charged in the small diameter quartz glass tube. The connection lines and the carbon wire heating element are electrically connected by way of the wire carbon members. This rod-shaped heater using the carbon wire heating element is suitable for readily raising the temperature of the agent in the storage tank of the wet etching agent or the grinding agent.
摘要:
A sealing terminal includes internal connection lines which are connected to heating elements and external connection lines via which power is supplied. A quartz glass body includes a plurality of grooves in its outer surface to retain the internal and external connection lines in place. Conductive foils are used to connect the internal and external lines which are housed in a quartz glass tube so that the ends of the lines project out of the respective ends thereof. A plug is disposed in the lower end of the tube to close the same. Spark generation is prevented while a low electrical resistance sealed terminal which is simple in structure and quick and easy to assemble, results.
摘要:
A pressure sensitive adhesive sheet comprising a substrate and an adhesive composition which is coated on the surface of the substrate. The main components of the adhesive composition are (a) a copolymer comprising monomeric units of an acrylic ester, (b) monomeric units of a polar acrylic compound, (c) monomeric units of a high glass transition temperature (Tg) macromonomer having a Tg of 20.degree. C. or above, (d) monomeric units of a low Tg macromonomer having a Tg of below 20.degree. C. and (e) monomeric units of an oligomer having telechelic thiol functional groups. The pressure sensitive adhesive sheet has excellent adhesive strength, resistance against formation of blisters and removability upon heating.
摘要:
An adhesive sheet according to the present invention comprises a substrate having coated on the surface thereof an adhesive layer consisting of an adhesive and a radiation polymerizable compound, which compound is a urethane acrylate oligomer having a molecular weight of 3,000-10,000, preferably 4,000-8,000. The adhesive sheet is preferably used in subjecting semiconductor wafers to dicing operation and no adhesive sticks to and remains on the back side surface of the wafer chips as picked up.
摘要:
An aperture card reader is equipped with a unit detachably mountable on the main body for automatically feeding aperture cards. The aperture card can automatically be placed between presser plates while the unit is mounted on the main body or, alternatively, can be manually fed when the unit is detached from the main body. The aperture card is automatically fed between the presser plates with the card in a position in which the minor sides of the aperture card are oriented in the direction of feed, while the card can be manually placed between the presser plates by feeding the card in a position in which the major sides of the card are oriented in the direction of feed. The image of the microfilm mounted on the aperture card can be projected on a screen in a horizontal position when the card is fed automatically, or in a vertical position when the card is fed manually.
摘要:
A heat treatment apparatus and control method enabling the apparatus to settle down the internal temperature of a treating vessel to a target temperature accurately and quickly. The apparatus includes a furnace body with a heater on an inner circumferential surface thereof, a treating vessel disposed inside the furnace body, a cooling medium supply blower and cooling medium release blower connected to the furnace body, and a temperature sensor provided inside the treating vessel. A signal from the temperature sensor is sent to a heater output computing unit of a controller. The computing unit determines a heater output level to be obtained during temperature regulation with the heater only, the heater output level being based on a preset temperature that has been determined by a temperature determining unit and temperature detected by the temperature sensor. A blower output computing unit activates blower output based on the heater output level.