Abstract: A wafer holding unit includes a disk-shaped ceramic substrate having a wafer mounting surface on an upper surface of the substrate, an RF electrode, for example, embedded within the substrate, a metal terminal inserted from a lower surface of the substrate, and a connecting terminal which electrically connects the RF electrode and the metal terminal with each other. The connecting terminal is constituted by a ceramic member and a metal layer. The ceramic member is made of the same material as the substrate and preferably has a truncated conical shape. The metal layer covers a surface of the ceramic member. An upper end of the metal layer is connected to the RF electrode, while a lower end of the metal layer is connected to the metal terminal with a metal member interposed therebetween.

Abstract: A wafer holding unit includes a disk-shaped ceramic substrate having a wafer mounting surface on an upper surface of the substrate, an RF electrode, for example, embedded within the substrate, a metal terminal inserted from a lower surface of the substrate, and a connecting terminal which electrically connects the RF electrode and the metal terminal with each other. The connecting terminal is constituted by a ceramic member and a metal layer. The ceramic member is made of the same material as the substrate and preferably has a truncated conical shape. The metal layer covers a surface of the ceramic member. An upper end of the metal layer is connected to the RF electrode, while a lower end of the metal layer is connected to the metal terminal with a metal member interposed therebetween.

Abstract: A wafer holding unit includes a disk-shaped ceramic substrate having a wafer mounting surface on an upper surface of the substrate, an RF electrode, for example, embedded within the substrate, a metal terminal inserted from a lower surface of the substrate, and a connecting terminal which electrically connects the RF electrode and the metal terminal with each other. The connecting terminal is constituted by a ceramic member and a metal layer. The ceramic member is made of the same material as the substrate and preferably has a truncated conical shape. The metal layer covers a surface of the ceramic member. An upper end of the metal layer is connected to the RF electrode, while a lower end of the metal layer is connected to the metal terminal with a metal member interposed therebetween.

Abstract: A wafer holder is provided that can be used in wafer processes at room temperature or lower and that is particularly suited for use in a CVD apparatus. The wafer holder 1 has a wafer-mounting surface. The wafer holder 1 is made of ceramic and has a flow channel 3 that allows coolant to flow to the interior of the wafer holder in order to cool the wafer holder 1, and is furthermore preferably provided with a high-frequency generating electrode 2. The wafer holder 1 can be manufactured having a flow channel 3 formed in one of the ceramic substrates, at least another ceramic substrate is joined to the ceramic substrate so as to cover the flow channel 3, and a ceramic plate in which a high-frequency generating electrode 2 is formed is preferably additionally joined to the other substrates.

Abstract: By wafer holder including a chuck top for mounting a wafer and a supporter supporting the chuck top and having flatness of at most 0.1 mm, a heater unit for a wafer prober and the wafer prober using the wafer holder, a wafer holder and a wafer prober apparatus hardly deformable even under high load and capable of effectively preventing contact failure, and capable of preventing temperature increase in a driving system when a semiconductor wafer having semiconductor chips with minute circuitry that requires high accuracy is heated can be provided. In the wafer holder of the present invention, the flatness of the supporter is preferably at most 0.05 mm, and more preferably at most 0.01 mm.

Abstract: In the substrate processing apparatus, a ceramic module for mounting a substrate has a flat plate portion having an electric circuitry and a ceramic base body, and as at least a part of a surface of the flat plate portion other than the surface mounting the substrate is in contact with a chamber, it is supported by the chamber. Thus, a substrate processing apparatus can be provided which improves thermal uniformity, reduces cost, is suitable for size reduction of the apparatus and which can ease restrictions in mounting a power supply conductive member or the like.

Abstract: The present invention is a wafer holder including a heating plate 2 equipped with heating means such as a film-form/foil-form heat generating body 9 or the like, a cooling plate 3 equipped with cooling means such as a coolant passage 7 or the like, and temperature measurement means 4, wherein the heating plate 2 and cooling plate 3 are layered in a direction perpendicular to the wafer placement surface. The heating plate 2 is preferably disposed closer to the wafer placement surface than the cooling plate 3, and a heat conducting member 8 is disposed between the heating plate 2 and cooling plate 3.

Abstract: A low-radiation-rate film, made of a material whose radiation rate is lower than that of a heater substrate, is formed at least entirely over the surface of a heat-subject-placing surface of a heater substrate. By applying patterning to the low-radiation-rate film, the exposure rate of the heater substrate is varied such that the radiation rate becomes smaller from the center part of the heat-subject-placing surface toward the outer peripheral part thereof, thereby enabling a uniform temperature across the surface. In addition, the power supply is reduced, thermal stress is eliminated, the wiring design flexibility is increased, and the reliability is increased by preventing short-circuit accidents.

Abstract: In an aluminum nitride sintered body, the bismuth and chlorine contents are restricted to be no more than fixed amounts. More specifically, in an aluminum nitride sintered body having aluminum nitride as its main component, the bismuth content in the aluminum nitride sintered body is no more than 30 ppm and the chlorine content is no more than 100 ppm. It would be preferable to form a resistance heating body on the aluminum nitride sintered body, and it would be preferable for the aluminum nitride sintered body to be used as a semiconductor heating part.

Abstract: To provide a semiconductor manufacturing device, which is provided with a wafer holder capable of improving the cooling rate of a heater and retaining the homogeneity of the temperature distribution of the heater at cooling time and which can markedly shorten the time period for treating a semiconductor wafer. The wafer holder includes the heater 1 for carrying the semiconductor wafer thereon to heat the same, and the cooling block 2 for cooling the heater 1. The cooling block 2 is arranged so as to come into and out of abutment against the back 1b of the heater on the side opposed to the wafer carrying face 1a, and its abutment face 2a to abut against the heater 1 has a warpage of 1 mm or less. The cooling block 2 can be provided therein with a passage for a cooling liquid. It is preferred that the passage has a sectional area of 1 mm2 or larger over 80% of its entire length, and that the area of the portion having the passage formed is 3% or larger of the entire area of the abutment face 2a.

Abstract: A semiconductor heating apparatus, in which, when measuring the electrical properties of multiple chips formed on a large size wafer, only one or a several chips are heated uniformly, and the other chips are on standby at a low temperature. The semiconductor heating apparatus includes a heating part for mounting and heating the workpiece, a support part which supports the heating part, and a cooling module which contacts the support part. A plurality of heating parts and supporting parts are joined together. The workpiece mounting surfaces of the plurality of heating parts are preferably constructed in the same plane. In addition, there is preferably a thermal insulating material distributed underneath the support part. The heating part is preferably a ceramic heater.

Abstract: A wafer holder uniformly heats a wafer at high temperatures without being damaged. A semiconductor manufacturing apparatus is provided with this wafer holder. The contact surface area where the wafer and the wafer mounting surface of the wafer-holding part are in contact includes a contact surface area A in an outer circumferential area that is farther than 1/?2R from the center of the wafer, where R is the radius of the wafer, and a contact surface area B in an inner circumferential area that is within 1/?2R of the center. The contact surface area is established so that A>B. In order to obtain this relationship, the wafer-contacting part of the wafer mounting surface is preferably formed into annular convexities or embossed convexities.

Abstract: A wafer holder hardly deformable under high load and capable of effectively preventing a contact failure with a wafer and further capable of preventing temperature increase of a driving system of a wafer prober is provided. In a wafer holder having a chuck top and a supporter, variation in thickness of the chuck top from a wafer-mounting surface to a contact surface with the supporter, and variation in thickness of the supporter from a bottom surface to a contact surface with the chuck top are both set to at most 50 ?m. When the supporter is of a structure having a circular tube portion and a base portion separate from each other, variation in thickness of the circular tube portion from a contact surface with the chuck top to a contact surface with the base portion, and variation in thickness of the base portion from a bottom surface to a contact surface with the circular tube portion are preferably both set to at most 25 ?m.

Abstract: In an aluminum nitride sintered body, the bismuth and chlorine contents are restricted to be no more than fixed amounts. More specifically, in an aluminum nitride sintered body having aluminum nitride as its main component, the bismuth content in the aluminum nitride sintered body is no more than 30 ppm and the chlorine content is no more than 100 ppm. It would be preferable to form a resistance heating body on the aluminum nitride sintered body, and it would be preferable for the aluminum nitride sintered body to be used as a semiconductor heating part.

Abstract: The present invention provides a semiconductor heating apparatus, in which, when measuring the electrical properties of multiple chips formed on a large size wafer, only one or a several chips are heated uniformly, and the other chips are on standby at a low temperature. The present invention is a semiconductor heating apparatus, comprising a heating part for mounting and heating the workpiece, a support part which supports the heating part, and a cooling module which contacts the support part. A plurality of heating parts and supporting parts are joined together. The workpiece mounting surfaces of the plurality of heating parts are preferably constructed in the same plane. In addition, there is preferably a thermal insulating material distributed underneath the support part. The heating part is preferably a ceramic heater.

Abstract: The present invention provides a heating device which is rigid with little likelihood of warping. The workpiece mounting surface has a high thermal conductivity, and there is improved heat uniformity, and rapid cooling is possible. The heating device of the present invention comprises: a mounting part for mounting the workpiece; a heating part which has a resistance heating element and which heats the mounting part; and a support part which supports the mounting part and heating part. The Young's modulus for each of the mounting part and support part is 100 GPa or greater. By having a Young's modulus of 100 GPa or greater, even if the mounting part is thin, there is little deformation when pressed by a probe card.

Abstract: The present invention provides a supporting unit for semiconductor manufacturing device and semiconductor manufacturing device with supporting unit installed wherein there is high thermal uniformity in the support surface for the workpiece and strain to the support section and the support body is prevented. The supporting unit for semiconductor manufacturing device includes: a ceramic support section supporting a workpiece installed in a chamber of a semiconductor manufacturing device; and a hollow support body supporting the support section. The ceramic support section and the support body are hermetically bonded. Either the support body and the chamber are in contact with each other by way of a material with a thermal conductivity lower than that of the support body or the section of the chamber that comes into contact with the support body is a material with a thermal conductivity lower than that of the support body.

Abstract: In a heater member executing a heat process with a heat subject placed thereon, and a heat processor using the same, the power supply is reduced to achieve energy conservation, a damage risk to be caused by the thermal stress is eliminated, and the wiring design flexibility is increased for a heat-generating circuit section. Furthermore, the heat uniformity capability is increased, and the reliability is increased by preventing short-circuit accidents. At least entirely over the surface of a heat-subject-placing surface of a heater substrate 2, a low-radiation-rate film 10 made of a material whose radiation rate is lower than that of the heater substrate 2 is formed. By applying patterning to the low-radiation-rate film 10, the exposure rate of the heater substrate 2 is changed on the heat-subject-placing surface.

Abstract: Affords a susceptor unit in which the temperature uniformity of the susceptor baseplate is enhanced, and devices in which such a susceptor unit is installed. The susceptor unit is made up of a susceptor baseplate for carrying an object to be heated and performing heating operations on the object, and a containment for shielding the susceptor baseplate. In this susceptor unit, the shielding containment shields at least the surface of the susceptor baseplate that forms a lateral side with respect to the baseplate's heated-object-carrying face; and the difference between the maximum and the minimum separations in the encompassing interval between the lateral side of the susceptor baseplate and, facing onto the baseplate lateral side, the inside surface of the shielding containment is not more than 2.2 mm. In implementations including a cooling block, the shielding extends over the lateral side of the cooling block as well.

Abstract: To provide a semiconductor manufacturing device, which is provided with a wafer holder capable of improving the cooling rate of a heater and retaining the homogeneity of the temperature distribution of the heater at cooling time and which can markedly shorten the time period for treating a semiconductor wafer. The wafer holder includes the heater 1 for carrying the semiconductor wafer thereon to heat the same, and the cooling block 2 for cooling the heater 1. The cooling block 2 is arranged so as to come into and out of abutment against the back 1b of the heater on the side opposed to the wafer carrying face 1a, and its abutment face 2a to abut against the heater 1 has a warpage of 1 mm or less. The cooling block 2 can be provided therein with a passage for a cooling liquid. It is preferred that the passage has a sectional area of 1 mm2 or larger over 80% of its entire length, and that the area of the portion having the passage formed is 3% or larger of the entire area of the abutment face 2a.