Dielectric ceramic polarizer

Details Dielectric ceramic polarizer Dielectric ceramic polarizer

1997-02-07

1999-09-07

Marcantoni, Paul

Compositions: ceramic

Ceramic compositions

Titanate, zirconate, stannate, niobate, or tantalate or...

501135, 501136, 501137, 501152, 333 21A, 343909, C04B 3546

Patent

active

059487186

ABSTRACT:
A dielectric ceramic substrate or block contains, at least, two kinds of metal ions, and a dielectric constant in the substrate or block changes continuously or step by step as a function of position. The metal ions contained in the dielectric ceramic material are, at least, two kinds which are selected from the group consisting of Mg, Ca, Sr, Ba, Zn, Pb, Bi, Y, La, Ce, Nd, Sm, Gd, Er, Ti, Zr, Sn, Si and Mn, and the dielectric constant .di-elect cons. changes in the range of 7.ltoreq..di-elect cons..ltoreq.90. This dielectric ceramic material is used in a dielectric substrate for a stripline device, a dielectric substrate for a monolithic IC and a dielectric block for a polarizer. For example, the dielectric substrate for a stripline device, it is so formed that a dielectric constant at its center portion is constant, and becomes smaller step by step or continuously toward its ends. For forming a stripline on the dielectric substrate, when the characteristic impedance is to be constant, a line width at a center portion of the dielectric substrate is narrow and it becomes wider toward the ends.

REFERENCES:
patent: 2948868 (1960-08-01), Reeves
patent: 2958055 (1960-10-01), Rowen
patent: 3316506 (1967-04-01), Whicker et al.
patent: 3327251 (1967-06-01), Degan, Jr.
patent: 3849746 (1974-11-01), Mason et al.
patent: 4195270 (1980-03-01), Rainwater
patent: 4389594 (1983-06-01), Conciauro et al.
patent: 4701765 (1987-10-01), Arduini et al.
patent: 4785266 (1988-11-01), Newham et al.
patent: 5229737 (1993-07-01), Prime
patent: 5258768 (1993-11-01), Smith

Affiliated with

Also associated with

Rating

Dielectric ceramic polarizer does not yet have a rating. At this time, there are no reviews or comments for this patent.

If you have personal experience with Dielectric ceramic polarizer, we encourage you to share that experience with our LandOfFree.com community. Your opinion is very important and Dielectric ceramic polarizer will most certainly appreciate the feedback.

Rate now

Comments { 0 }

Profile ID: LFUS-PAI-O-1804272