摘要:
A solder removing apparatus comprises a stage and a head portion. A top face of the stage is a flat surface, and the stage can arbitrarily move in a direction parallel to the top face. On the stage are arranged a first member supplying portion on which one or more first members are located, a second member supplying portion on which one or more second members are located, and a heating portion for heating a member located thereon at an arbitrary temperature. The head comprises a first head and a second head. The first head and the second head can move along the same moving axis in a direction vertical to the top face of the stage independently from each other. The first head adsorbs the first member located on the first member supplying portion and locates the first member on the heating portion. The second head adsorbs the second member located on the second member supplying portion and locates the second member on the first member located on the heating portion. The solder adhering to the second member is melted when heated by the heating portion through the first member and adheres to the first member. As a result, the solder is removed from the second member.
摘要:
Apoptosis inducers, anticancer drugs and carcinostatic drugs containing sulfated-fucose-containing polysaccharide(s) and/or degradation product(s) thereof, and a method for inducing apoptosis by using sulfated-fucose-containing polysaccharide(s) and/or degradation product(s) thereof as the active ingredient. A degrading enzyme which is useful in the production of the degradation products of sulfated-fucose-containing polysaccharides.
摘要:
A process for manufacturing electronic circuits, according to which soldering can be carried out without using flux by applying a metal surface treatment procedure which allows oxide film, organic matters, carbon or the like on the surface of metal to be easily removed without using a complex process nor unfavorably affecting electronic devices or circuit substrates. A process of connecting an electronic device and a circuit substrate by means of solder comprises the steps of irradiating the solder with a laser beam to clean the solder, aligning and mounting the electronic device on the circuit substrate, and hot-melting said solder in a low-oxygen content atmosphere to bond the electronic device and the circuit substrate.
摘要:
A method of modifying an electronic circuit board by performing disconnection or connection of conductive lines at a specified or an arbitrary position of the conductive lines of the electronic circuit board thereby changing an electric circuit and of completely modifying an open pattern defect of the conductive lines or an insulator layer, and its device, wherein a first energy beam is irradiated to portions of repair terminals 9 and 9' which are intended to connect or disconnect, of conductive lines 5 and 5' in the electronic circuit board thereby removing a protection layer, making windows and exposing the terminals 9 and 9' for connection; a second energy beam is irradiated thereby disconnecting the repair terminals 9 and 9', or a metal piece for connecting is supplied to between the repair terminals 9 and 9' and applying an energy thereto thereby electrically connecting them; and the disconnected or connected windowed portion is locally coated with the insulator layer thereby modifying the conductive lines of the electronic circuit board. Further, windows 311 or 311' is formed in an insulating protection layer 310 on a conductive line connecting portion 308 formed in a couple or a conductive line disconnecting portion 309, a conductive line of the conductive line disconnecting portion is disconnected or a liquid material 312 for connecting conductive lines is supplied to the conductive line connecting portion 308, a metal layer 313 is precipitated by heating the liquid material 312 thereby connecting the conductive line connecting portion 308, and the window 311 or 311' is coated with an organic insulator layer.
摘要:
A circuit board is manufactured by a method having the steps of depositing a metal pattern on a ceramic board, depositing a thin layer of a high polymer material on the ceramic board formed with the metal pattern, depositing a protective layer of a high polymer material on the thin layer of the high polymer material, and directing a laser beam toward and onto the protective layer and the thin layer deposited on a plating region of the metal pattern and a cutting region of the ceramic board thereby selectively removing part of those layers. The laser beam has a wavelength range of from 150 nm to 400 nm, an energy density range of from 0.5 J/cm.sup.2 to 5.0 J/cm.sup.2, and a pulse width range of from 100 ps to 1 .mu.s.
摘要翻译:电路板通过以下步骤制造:具有以下步骤的方法:在陶瓷板上沉积金属图案,在形成有金属图案的陶瓷板上沉积高分子材料薄层,将高分子材料的保护层沉积在 高分子材料的薄层,并且将激光束导向保护层和沉积在金属图案的镀覆区域上的薄层和陶瓷板的切割区域,从而选择性地去除这些层的一部分。 激光束的波长范围为150nm〜400nm,能量密度范围为0.5J / cm 2〜5.0J / cm 2,脉冲宽度范围为100ps〜1μs。