摘要:
A carrier tape for electronic circuit elements adapted to be provisionally held on printed circuit boards prior to fixing of them on said printed circuit boards by soldering, comprises a flexible tape body extending in a longitudinal direction, and adhesive means applied with respect to the tape body and for serving the purpose of provisionally holding of electronic circuit elements on printed circuit boards, the adhesive means being formed of a material which exhibits adhesion upon being heated. The adhesive means is formed of a polymeric material which exhibits adhesion upon being heated. The carrier tape further includes electronic circuit elements held with respect to the tape body at equal intervals in a row in the longitudinal direction of the tape body through the adhesive means, thereby constituting an electronic circuit element series. When respective electronic circuit elements are removed from the electronic circuit element series, the adhesive means sticking to the respective electronic circuit elements are adapted to be also removed from the series. The adhesive means sticking to the respective electronic circuit elements are then heated, through which adhesive means have exhibited adhesion due to heating the respective electronic circuit elements are provisionally held on a printed circuit board. Also, a method of manufacturing an electronic circuit element series is disclosed.
摘要:
A method of mounting surface-mounted type electronic components on a printed circuit board adapted to be carried out using an electronic component series which comprises a carrier tape formed with a plurality of tiny recess portions for receiving therein adhesives for use in temporary fixing of surface-mounted type electronic components on a printed circuit board, adhesives received in the respective recess portions, and a plurality of surface-mounted type electronic components held on the carrier tape through the adhesives. In the present invention, the taking up of the electronic component from the carrier tape is performed while pushing up the tiny recess portion of the carrier tape to cause the same portion to be deformed, so that the electronic component can be easily removed together with the adhesive from the carrier tape, and the removed electronic component is then placed on a printed circuit board to be temporarily held on the printed circuit board through the adhesive having adhered on the bottom surface of the electronic component.
摘要:
An electronic circuit element capable of positively and stably accomplishing its provisional fixing on a printed circuit board substantially free of any trouble and being readily taken out or extracted for the mounting on a printed circuit board, irrespective of a manner of holding of the circuit element prior to the extraction. The electronic circuit element includes an element body and an adhesive or polymeric layer deposited on the element body. The polymeric layer is arranged on a surface of the element body opposite to a printed circuit board on which the circuit element is to be mounted. The polymeric layer is formed of a material exhibiting adhesion when it is heated to a temperature of about 80.degree. C.
摘要:
A solder composition having a low melting point and a high remelting point sufficient to permit electronic circuit elements to be fixed on a printed circuit board at a low soldering temperature to prevent thermal damage of the electronic circuit elements during the mounting and prevent the elements from dropping off from the board due to any heat applied thereto after soldering. The solder composition includes a low melting solder powder containing a metal additive for melting-point depression, and a reactive alloy powder. The low melting solder powder is melted to form a soldering layer which serves to mount electronic circuit elements on a printed circuit board at a relatively low soldering temperature. At the soldering temperature, the metal additive is reacted with the reactive alloy powder to cause the soldering layer to have a remelting temperature higher than a melting point of the solder composition or solder powder.
摘要:
The data processing unit generates image data such that the camera unit is caused to acquire a plurality of data captured with a focal length changed in response to instructions for imaging operation by an operation unit and three-dimensional display data are generated from the plurality of captured data based on the correlation of focused images which are different according to the focal lengths of the acquired plurality of captured data with the focal length thereof. Since each of the plurality of data captured with a focal length changed is different in a focused image according to the focal length, the plurality of captured data is subjected to the processing for generating three-dimensional display data based on the correlation of a focused image different according to the focal length with the focal length to allow the three-dimensional display data to be generated.
摘要:
The guide wire is a guide wire includes a distal portion and a main body portion. This guide wire is provided with a first curve portion; a second curve portion included on the distal side of aforesaid first curve portion and curved to the opposite direction with respect to aforesaid first curve portion; a third curve portion included on the distal side of aforesaid second curve portion and curved to the opposite direction with respect to aforesaid second curve portion, wherein a line contacting with both aforesaid first curve portion and aforesaid third curve portion has an obtuse angle with respect to an axis line of aforesaid main body portion.
摘要:
One aspect of the invention provides a method for harvesting adult cells from an organ. The method includes perfusing the organ with a perfusate and isolating adult cells from the organ, thereby harvesting the adult cells from the organ. Another aspect of the invention provides a method for rehabilitating an organ. The method includes: dividing the organ into a first portion and a second portion, perfusing the first portion with a decellularization medium, isolating adult cells from the second portion, and recellularizing the first portion with a suspension of the adult cells, thereby rehabilitating the organ.
摘要:
In one form, a direction changing device is provided including: a first mounting section; and a second mounting section, wherein an axial direction of the first mounting section and an axial direction of the second mounting section intersect each other or are parallel to each other in plan view, and in a condition where a catheter or a sheath introducer in which the catheter is inserted is mounted to the first mounting section and the second mounting section, the catheter or the sheath introducer adopts a curved shape such that a catheter or sheath introducer portion mounted to the first mounting section extends proximally to distally in one direction and a catheter or sheath introducer portion mounted to the second mounting section extends proximally to distally in another direction with the directions being different from each other.
摘要:
A microreactor is configured to have a metal substrate having a microchannel portion on one surface thereof, a heater provided on the other surface of the metal substrate via an insulating film, a catalyst supported on the microchannel portion, and a cover member having a feed material inlet and a gas outlet and joined to the metal substrate so as to cover the microchannel portion. Since the microreactor uses the metal substrate having a high thermal conductivity and a small heat capacity, the efficiency of heat conduction from the heater to the supported catalyst becomes high, and the processing of the metal substrate is easy to facilitate the production.
摘要:
A medical device holder is comprised of a flexible elongated sheet member, and includes a holding portion configured to hold a three-dimensionally configured part connected of the device. The holding portion is configured to bend back on itself to cover the three-dimensionally configured part. A slit is provided in the sheet member to allow insertion of the distal end portion of the holding portion so that the state in which the holding portion covers the three-dimensionally configured part connected can be maintained. The distal end portion of the holding portion is folded toward the opposite direction from the direction to pull out when retrieving the catheter from the sheet member.