JPS6480047A - Circuit substrate - Google Patents
Circuit substrateInfo
- Publication number
- JPS6480047A JPS6480047A JP62236115A JP23611587A JPS6480047A JP S6480047 A JPS6480047 A JP S6480047A JP 62236115 A JP62236115 A JP 62236115A JP 23611587 A JP23611587 A JP 23611587A JP S6480047 A JPS6480047 A JP S6480047A
- Authority
- JP
- Japan
- Prior art keywords
- conductor layer
- inductance
- layer
- conductor
- substrate
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
Landscapes
- Production Of Multi-Layered Print Wiring Board (AREA)
- Internal Circuitry In Semiconductor Integrated Circuit Devices (AREA)
Abstract
PURPOSE:To reduce the effect of a stray capacity in a certain frequency range, by arranging conductor layers between dielectric layers and connecting inductance which is resonant with capacity between the conductor layers between the above mentioned conductor layers. CONSTITUTION:A conductor layer 2 of a first layer is provided between the conductor layer 1 of a second layer which indicates wiring or bonding pads and a substrate 3 and an inductance element 4 which is resonant with capacity Cs1 between the conductor layer 2 and the substrate 3 is connected to a space between the conductor layer 2 and the substrate 3. In such a case, impedance Z of an electric equivalent circuit is shown by an equation as per attached, provided that C12=Cs1=2Co and, since the above equation does not have a term which lessens an effect of inductance L such as an expression of L1-1/omega<2>C11 in comparison with the equation of impedance in the case where it is lacking in the conductor layer 2, its impedance Z can obtain the effect of inductance 1 to the maximum.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP62236115A JPS6480047A (en) | 1987-09-22 | 1987-09-22 | Circuit substrate |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP62236115A JPS6480047A (en) | 1987-09-22 | 1987-09-22 | Circuit substrate |
Publications (1)
Publication Number | Publication Date |
---|---|
JPS6480047A true JPS6480047A (en) | 1989-03-24 |
Family
ID=16995961
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP62236115A Pending JPS6480047A (en) | 1987-09-22 | 1987-09-22 | Circuit substrate |
Country Status (1)
Country | Link |
---|---|
JP (1) | JPS6480047A (en) |
-
1987
- 1987-09-22 JP JP62236115A patent/JPS6480047A/en active Pending
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