Wave transmission lines and networks – Coupling networks – Delay lines including long line elements
Patent
1993-10-25
1994-11-15
Ham, Seungsook
Wave transmission lines and networks
Coupling networks
Delay lines including long line elements
333246, H01P 900, H01P 118
Patent
active
053652037
ABSTRACT:
A delay line device comprises first and second substrates. The first substrate has a signal line centrally formed on one of main surfaces of a ceramic substrate, bonding electrodes formed in a peripheral portion of the main surface and a ground electrode formed over substantially the entire region of the other main surface thereof. The second substrate has bonding electrodes formed on one of main surfaces of a ceramic substrate identical in thickness and material to the above ceramic substrate and a ground electrode formed over substantially the entire region of the other main surface thereof. The delay line device is formed by superimposing the first and second substrates on one another so that the bonding electrodes of the first substrate face those of the second substrate and bonding the bonding electrodes of both substrates to one another. Such delay line devices can be manufactured using mother substrates and mother dummy substrates.
REFERENCES:
patent: 4641113 (1987-02-01), Ozawa
patent: 5146191 (1992-09-01), Mandai et al.
patent: 5164692 (1992-11-01), Gertel et al.
Fairchild Camera and Instrument Corporation, Chapter 5, pp. 5-3-5-5, 1977, "ECL Data Book".
Kosaki Makoto
Nakamura Nakaba
Ham Seungsook
Susumu Co., Ltd.
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