Leadless multi-layered ceramic capacitor stacks
First Claim
Patent Images
1. A capacitor stack comprising:
- multilayered ceramic capacitors wherein each multilayered ceramic capacitor of said multilayered ceramic capacitors comprises;
first electrodes and second electrodes in an alternating stack with a dielectric between each first electrode of said first electrodes and each adjacent second electrode of said second electrodes wherein said first electrodes have a first polarity and terminate at a first side of said multilayered ceramic capacitor and said second electrodes have a second polarity and terminate at a second side of said multilayered ceramic capacitor;
a first transient liquid phase sintering conductive layer on said first side and in electrical contact with each said first electrode; and
a second transient liquid phase sintering conductive layer on said second side and in electrical contact with each said second electrode; and
a first lead in electrical contact with at least one said first transient liquid phase sintering conductive layer.
3 Assignments
0 Petitions
Accused Products
Abstract
A stacked MLCC capacitor is provided wherein the capacitor stack comprises multilayered ceramic capacitors wherein each multilayered ceramic capacitor comprises first electrodes and second electrodes in an alternating stack with a dielectric between each first electrode and each adjacent second electrode. The first electrodes terminate at a first side and the second electrodes second side. A first transient liquid phase sintering conductive layer is the first side and in electrical contact with each first electrode; and a second transient liquid phase sintering conductive layer is on the second side and in electrical contact with each second electrode.
-
Citations
32 Claims
-
1. A capacitor stack comprising:
-
multilayered ceramic capacitors wherein each multilayered ceramic capacitor of said multilayered ceramic capacitors comprises; first electrodes and second electrodes in an alternating stack with a dielectric between each first electrode of said first electrodes and each adjacent second electrode of said second electrodes wherein said first electrodes have a first polarity and terminate at a first side of said multilayered ceramic capacitor and said second electrodes have a second polarity and terminate at a second side of said multilayered ceramic capacitor; a first transient liquid phase sintering conductive layer on said first side and in electrical contact with each said first electrode; and a second transient liquid phase sintering conductive layer on said second side and in electrical contact with each said second electrode; and a first lead in electrical contact with at least one said first transient liquid phase sintering conductive layer. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15, 16, 17, 18, 19, 20, 21, 22, 23, 24, 25, 26, 27, 28, 29, 30)
-
-
31. A capacitor stack comprising:
-
multilayered ceramic capacitors wherein each multilayered ceramic capacitor of said multilayered ceramic capacitors comprises; first electrodes and second electrodes in an alternating stack with a dielectric between each first electrode of said first electrodes and each adjacent second electrode of said second electrodes wherein said first electrodes have a first polarity and terminate at a first side of said multilayered ceramic capacitor and said second electrodes have a second polarity and terminate at a second side of said multilayered ceramic capacitor; a first transient liquid phase sintering conductive layer on said first side and in electrical contact with each said first electrode; and a second transient liquid phase sintering conductive layer on said second side and in electrical contact with each said second electrode; and a first lead in electrical contact with at least one said first transient liquid phase sintering conductive layer; wherein said first transient liquid phase sintering conductive layer comprising a low melting metal where said low melting metal is diffused into said lead frame and wherein said low melting metal is also diffused into said first electrodes.
-
-
32. A capacitor stack comprising:
-
multilayered ceramic capacitors wherein each multilayered ceramic capacitor of said multilayered ceramic capacitors comprises; first electrodes and second electrodes in an alternating stack with a dielectric between each first electrode of said first electrodes and each adjacent second electrode of said second electrodes wherein said first electrodes have a first polarity and terminate at a first side of said multilayered ceramic capacitor and said second electrodes have a second polarity and terminate at a second side of said multilayered ceramic capacitor; a first transient liquid phase sintering conductive layer on said first side and in electrical contact with each said first electrode; and a second transient liquid phase sintering conductive layer on said second side and in electrical contact with each said second electrode; and a first lead in electrical contact with at least one said first transient liquid phase sintering conductive layer wherein said first transient liquid phase sintering conductive layer comprises a low melting metal and a high melting metal and wherein said low melting metal is diffused into both said high melting metal and said first electrodes.
-
Specification