Metal-base circuit board and its manufacturing method

H - Electricity – 01 – L

Patent

Rate now

  [ 0.00 ] – not rated yet Voters 0   Comments 0

Details

H01L 23/12 (2006.01) H01L 25/04 (2006.01) H05K 1/05 (2006.01) H05K 3/44 (2006.01)

Patent

CA 2520241

A metal-base circuit board enables significant reduction of failures of a semiconductor device occurring in high-frequency operation of a hybrid integrated circuit and has an excellent heat dissipation capability. A metal base circuit board used for hybrid integrated circuits comprises a circuit provided over a metal sheet with insulating layers (A, B) interposed therebetween, an output semiconductor device mounted on the circuit, and a control semiconductor device used for controlling the output semiconductor device and mounted on the circuit. The metal-base circuit board is characterized in that a small-capacitance portion is buried under the circuit portion (pad portion) on which the control semiconductor device is mounted, and preferably the small-capacitance portion is made of a resin containing an inorganic filler and has a dielectric constant of 2 to 9.

L'invention concerne une carte de circuit imprimé à support métallique qui permet une réduction importante des pannes de dispositif à semi-conducteur survenant dans le fonctionnement haute fréquence d'un circuit intégré hybride et qui présente une excellente capacité de dissipation thermique. Une carte de circuit imprimé à support métallique utilisée dans des circuits intégrés hybrides comprend un circuit installé sur une feuille métallique avec des couches isolantes (A, B) intermédiaires, un dispositif à semi-conducteur de sortie installé sur le circuit, et un dispositif à semi-conducteur de commande servant à réguler le dispositif à semi-conducteurs de sortie et installé sur le circuit. La carte de circuit imprimé à support métallique se caractérise en ce qu'une partie à faible capacitance est enfouie sous la partie circuit (partie patin) sur laquelle est installé le dispositif à semi-conducteur de commande ; de préférence, la partie à faible capacitance est à base de résine contenant une charge inorganique et a une constante diélectrique comprise entre 2 et 9.

LandOfFree

Say what you really think

Search LandOfFree.com for Canadian inventors and patents. Rate them and share your experience with other people.

Rating

Metal-base circuit board and its manufacturing method does not yet have a rating. At this time, there are no reviews or comments for this patent.

If you have personal experience with Metal-base circuit board and its manufacturing method, we encourage you to share that experience with our LandOfFree.com community. Your opinion is very important and Metal-base circuit board and its manufacturing method will most certainly appreciate the feedback.

Rate now

     

Profile ID: LFCA-PAI-O-1699281

  Search
All data on this website is collected from public sources. Our data reflects the most accurate information available at the time of publication.