Abstract: An adhesion-preventing material having a high adhesion-preventing effect has been demanded. An adhesion-preventing material including a sterilized biocompatible sponge-like laminate, wherein the sponge-like laminate comprises a sponge-like first layer and a sponge-like second layer each of which is at least partially crosslinked with a curing agent and comprises a low-endotoxin alginic acid monovalent metal salt, the alginic acid monovalent metal salt in the first layer has a weight average molecular weight of 10,000 to 2,000,000, the alginic acid monovalent metal salt in the second layer has a weight average molecular weight of 1,000 to 1,000,000, the weight average molecular weights are measured by a GPC-MALS method after a decrosslinking treatment, and the weight average molecular weight of the alginic acid monovalent metal salt in the first layer is higher than that in the second layer.

Abstract: A material for preventing adhesion having a high adhesion preventing effect has been desired. Provided is a sheet-like material for preventing adhesion which contains alginate, at least a portion of which is crosslinked with a curing agent, the material for preventing adhesion satisfying (1) and (2) when a dissolution test is performed in which a sample cut into a substantial circle having a diameter of 8 mm is left to stand, via a mesh, on agar of a petri dish to which a physiological saline solution is added substantially to a top surface of the agar, the petri dish is shaken at an amplitude of 25 mm and 40 shakes/min., and the weight of the sample is measured at least one arbitrary point in time. (1) The time required for the weight of the sample to be less than 0.01 g is 5-36 hours from a start of the test, and (2) the time required for the weight of the sample to reach the maximum weight is 10 hours or less from the start of the test.

Abstract: To provide a novel polysaccharide derivative which can be used to form a conjugate with a drug and can be used as a medical material, and a polysaccharide derivative-drug conjugate which uses the same. A polysaccharide derivative obtained by introducing a group represented by formula (A) to a polysaccharide which is acidic, basic or both, and a polysaccharide derivative-drug conjugate of said polysaccharide derivative and a drug.

Abstract: An adhesion-preventing material having a high adhesion-preventing effect has been demanded. An adhesion-preventing material including a sterilized biocompatible sponge-like laminate, wherein the sponge-like laminate comprises a sponge-like first layer and a sponge-like second layer each of which is at least partially crosslinked with a curing agent and comprises a low-endotoxin alginic acid monovalent metal salt, the alginic acid monovalent metal salt in the first layer has a weight average molecular weight of 10,000 to 2,000,000, the alginic acid monovalent metal salt in the second layer has a weight average molecular weight of 1,000 to 1,000,000, the weight average molecular weights are measured by a GPC-MALS method after a decrosslinking treatment, and the weight average molecular weight of the alginic acid monovalent metal salt in the first layer is higher than that in the second layer.

Abstract: [Problem] An adhesion-preventing material having a high adhesion-preventing effect has been demanded. [Solution] An adhesion-preventing material including a sterilized biocompatible sponge-like laminate, wherein the sponge-like laminate comprises a sponge-like first layer and a sponge-like second layer each of which is at least partially crosslinked with a curing agent and comprises a low-endotoxin alginic acid monovalent metal salt, the alginic acid monovalent metal salt in the first layer has a weight average molecular weight of 10,000 to 2,000,000, the alginic acid monovalent metal salt in the second layer has a weight average molecular weight of 1,000 to 1,000,000, the weight average molecular weights are measured by a GPC-MALS method after a decrosslinking treatment, and the weight average molecular weight of the alginic acid monovalent metal salt in the first layer is higher than that in the second layer.

Abstract: The purpose of the present invention is to provide an anti-adhesion material having a high anti-adhesion effect. The present invention pertains to an anti-adhesion material comprising a biocompatible sponge-like layered body having a sponge-like first layer and a sponge-like second layer both being at least partially crosslinked with a curing agent and comprising a low endotoxin monovalent metal salt of alginic acid. The monovalent metal salt of alginic acid in the first layer has a weight average molecular weight of 30000 to 300000. The monovalent metal salt of alginic acid in the second layer has a weight average molecular weight of 1000 to 200000. The weight average molecular weights are determined by GPC-MALS after a de-crosslinking treatment. The weight average molecular weight of the monovalent metal salt of alginic acid in the first layer is higher than the weight average molecular weight of the monovalent metal salt of alginic acid in the second layer.

Abstract: [Problem] An adhesion-preventing material having a high adhesion-preventing effect has been demanded. [Solution] An adhesion-preventing material including a sterilized biocompatible sponge-like laminate, wherein the sponge-like laminate comprises a sponge-like first layer and a sponge-like second layer each of which is at least partially crosslinked with a curing agent and comprises a low-endotoxin alginic acid monovalent metal salt, the alginic acid monovalent metal salt in the first layer has a weight average molecular weight of 10,000 to 2,000,000, the alginic acid monovalent metal salt in the second layer has a weight average molecular weight of 1,000 to 1,000,000, the weight average molecular weights are measured by a GPC-MALS method after a decrosslinking treatment, and the weight average molecular weight of the alginic acid monovalent metal salt in the first layer is higher than that in the second layer.

Abstract: A probe device of the present invention measures a position of every chip in a wafer to be inspected to acquire the position as actual measurement data. Then, the probe device calculates a variation amount of an actual measurement position of each chip or a variation amount of a position at which a probe is brought into contact with the each chip of the wafer on the basis of the actual measurement data, and allows a monitor to display a range-of-variation display image that visually displays the variation amount. In the image, a quadrangular area corresponding to the each chip is displayed, and a dot is displayed in each the quadrangular area at a position shifted from a center position thereof in accordance with the variation amount.

Abstract: The present invention provides a probe device that includes an alignment utility function. When a user inputs a condition value for a variation amount (variation range) of a contact position at which a probe is in contact with each chip, in a simulation using actual measurement data acquired by measuring a position of each of all chips in one wafer, a range of variation of each chip is calculated by changing a measurement point at which alignment is performed to calculate a setting of optimum measurement points so that the range of variation is equal to or less than the condition value and the number of measurement points is minimum. Then information on the optimum measurement point is provided to the user.

Abstract: A probe device of the present invention measures a position of every chip in a wafer to be inspected to acquire the position as actual measurement data. Then, the probe device calculates a variation amount of an actual measurement position of each chip or a variation amount of a position at which a probe is brought into contact with the each chip of the wafer on the basis of the actual measurement data, and allows a monitor to display a range-of-variation display image that visually displays the variation amount. In the image, a quadrangular area corresponding to the each chip is displayed, and a dot is displayed in each the quadrangular area at a position shifted from a center position thereof in accordance with the variation amount.

Abstract: The present invention provides a probe device that includes an alignment utility function. When a user inputs a condition value for a variation amount (variation range) of a contact position at which a probe is in contact with each chip, in a simulation using actual measurement data acquired by measuring a position of each of all chips in one wafer, a range of variation of each chip is calculated by changing a measurement point at which alignment is performed to calculate a setting of optimum measurement points so that the range of variation is equal to or less than the condition value and the number of measurement points is minimum. Then information on the optimum measurement point is provided to the user.

Abstract: When a shutter button is depressed after a stroboscopic image pickup mode is set, an image pickup unit determines a pre-light emission quantity and sends a light emission quantity control pulse to a strobe light emitter to make it carry out a pre-light emission. Then, the image pickup unit detects a light quantity of a picked-up image of an object at the time of the strobe light emission, and determines whether the light quantity is proper or not as the image pickup light quantity. If the light quantity of the image of the object picked up by the pre-light emission is within a range of proper values, the taken-in image is recorded as a photographed image. On the other hand, if the light quantity is not proper, a light quantity necessary for the image pickup is determined based on the light quantity of the taken-in image of the object and makes a strobe carry out a main light emission. Then, the image picked up by the main light emission is taken in and this is recorded as a photographed image.

Abstract: A structure for preventing the dislocation of a spring is provided in an optical disk cartridge wherein a shutter (23) is opened and closed in accordance with a sliding movement of a sliding jig (24) provided in the inner portion of the shutter and joined to the spring contacting portions of cartridge case via a spring (27). The spring contacting portions of the cases consist of the surfaces of a contacting wall (32), and upper (33) and lower (34) walls extending from the contacting wall, the lower wall being provided with a spring dislocation preventing projection (36).

Abstract: An optical information recording medium comprising a glass base, a primer coating layer formed on the glass base and a recording layer formed on the primer coating layer is disclosed. The optical information recording medium is characterized in that the primer coating layer comprises a linear acrylic resin having as a repeating unit an atomic group represented by the following formula (1): ##STR1## wherein R.sup.1 is a hydrogen atom or a methyl group and R.sup.2 is an alkyl group having 1 to 4 carbon atoms. A coupling agent may be interposed between the primer coating layer and the recording layer.

Abstract: A book case type optical disk storage container adapted to house a cartridge type optical disk with its shutter opened, the container being characterized in that one storage surface of the container is provided with a shutter stopper for keeping the shutter open, and a projection for supporting an optical disk base rotatably, the other storage surface being provided with a disk rotating jig and a disk base cleaning device. A structure for preventing the dislocation of a spring is provided in the optical disk cartridge wherein a shutter is opened and closed in accordance with a sliding movement of a sliding jig provided in the inner portion of the shutter and joined to the spring contacting portions of cartridge case via a spring. The spring contacting portions of the cases consist of the surfaces of a contacting wall, and upper and lower walls extending from the contacting wall, the lower wall being provided with a spring dislocation preventing projection.