摘要:
After a trench 54 is formed in a conductive foil 60, a circuit element is mounted in a flip chip method. Then, an insulating resin 50 is covered on the conductive foil 60 as a support substrate. After reversion, the conductive foil 60 is polished over the insulating resin 50 as a support substrate at this time to separate the conductive paths. Accordingly, a circuit device having the conductive paths 51 and the circuit elements 52 supported by the insulating resin 50 can be produced without employing the support substrate.
摘要:
After a trench 54 is formed in a first conductive foil 60A, the circuit elements are mounted, and the insulating resin is applied on the laminated conductive foil 60 as the support substrate. After being inverted, a second conductive foil 60B is etched on the insulating resin 50 as the support substrate for separation into the conductive paths. Accordingly, it is possible to fabricate the circuit device in which the conductive paths 51 and the circuit elements 52 are supported by the insulating resin 50, without the use of the support substrate. And the interconnects L1 to L3 for the circuit are formed, and can be prevented from slipping because of the curved structure and a visor 58.
摘要:
A semiconductor device is provided wherein conductive paths 40, formed of crystal that grows better along the X-Y axis than along the Z axis, are embedded in an insulating resin 44, and the back surface of the conductive path 40 is exposed through the insulating resin 44 and sealed. With this arrangement, fractures of the conductive paths 40 embedded in the insulating resin 44 are suppressed.
摘要:
In the present invention there is formed a sheet-like board member 50 having conductive coating films, such as first pads 55 and die pads 59, formed thereon or a sheet-like board member 50 which has been half-etched by using conductive coating films such as first pads 55 and die pads 59. A hybrid IC can be manufactured by means of utilization of post-processing processes of a semiconductor manufacturer. Further, a hybrid IC can be manufactured without adoption of a support board, and hence there can be manufactured a hybrid IC which is of lower profile and has superior heat dissipation characteristics.
摘要:
In the present invention there is formed a sheet-like board member 50 having conductive coating films, such as first pads 55 and die pads 59, formed thereon or a sheet-like board member 50 which has been half-etched by using conductive coating films such as first pads 55 and die pads 59. A hybrid IC can be manufactured by means of utilization of post-processing processes of a semiconductor manufacturer. Further, a hybrid IC can be manufactured without adoption of a support board, and hence there can be manufactured a hybrid IC which is of lower profile and has superior heat dissipation characteristics.
摘要:
After a trench 54 is formed in a conductive foil 60, the circuit elements are mounted, and the insulating resin is applied on the conductive foil 60 as the support substrate. After being inverted, the conductive foil 60 is polished on the insulating resin 50 as the support substrate for separation into the conductive paths. Accordingly, it is possible to fabricate the circuit device in which the conductive paths 51 and the circuit elements 52 are supported by the insulating resin 50, without the use of the support substrate. And the interconnects L1 to L3 requisite for the circuit are formed, and can be prevented from slipping because of the curved structure 59 and a visor 58.
摘要:
There are provided the steps of preparing a conductive foil and then forming a plurality of conductive paths by forming isolation trenches, which are shallower than a thickness of the conductive foil, in the conductive foil except at least areas serving as the conductive paths, fixing respective photo semiconductor chips (65) to desired conductive paths, molding a light transparent resin (67) serving as a lens to cover respective photo semiconductor chips (65) individually and to fill the isolation trenches, and removing the conductive foil on the side on which the isolation trenches are not provided. Therefore, a light irradiating device (68), in which back surfaces of the conduction paths can be connected to the outside to thus eliminate through holes and which has the good radiation characteristic, can be implemented.
摘要:
By means of use of a sheet-like board member 50 having conductive coating films 51 which are formed in the form of the pattern of leads on a second surface 53, or use of a lead frame having protuberances formed in the form of the pattern of leads 56 on the second surface 53, a pitch between the leads 56 is made more finer. The leads 56 are formed integrally with the board member 50, thereby obviating a tie bar.
摘要:
There are provided the steps of preparing a conductive foil and then forming a plurality of conductive paths by forming isolation trenches, which are shallower than a thickness of the conductive foil, in the conductive foil except at least areas serving as the conductive paths, fixing respective photo semiconductor chips (65) to desired conductive paths, molding a light transparent resin (67) serving as a lens to cover respective photo semiconductor chips (65) individually and to fill the isolation trenches, and removing the conductive foil on the side on which the isolation trenches are not provided. Therefore, a light irradiating device (68), in which back surfaces of the conduction paths can be connected to the outside to thus eliminate through holes and which has the good radiation characteristic, can be implemented.
摘要:
A semiconductor device is provided wherein conductive paths 40, formed of crystal that grows better along the X-Y axis than along the Z axis, are embedded in an insulating resin 44, and the back surface of the conductive path 40 is exposed through the insulating resin 44 and sealed. With this arrangement, fractures of the conductive paths 40 embedded in the insulating resin 44 are suppressed.