Vertically integrated systems
AssigneeAnalog Devices, Inc.
InventorsAlan J. O'Donnell, Santiago Iriarte, Mark J. Murphy, Colin G. Lyden, Gary Casey, Eoin Edward English
Life of this patent
Estimating the term…
Abstract
Embodiments of the present invention provide an integrated circuit system including a first active layer fabricated on a front side of a semiconductor die and a second pre-fabricated layer on a back side of the semiconductor die and having electrical components embodied therein, wherein the electrical components include at least one discrete passive component. The integrated circuit system also includes at least one electrical path coupling the first active layer and the second pre-fabricated layer.
Claims21
(canceled)
An integrated circuit system comprising:
- an active layer of a semiconductor die, the active layer comprising an active circuit;
- a measuring layer vertically integrated with the semiconductor die, the measuring layer comprising a sensor configured to generate an indication of a pH of a fluid, and the measuring layer configured to provide the indication of the pH of the fluid to the active circuit;
- a fluid path configured to provide the fluid from external to the integrated circuit system to the sensor;
- and
- a signal transmission layer comprising a coil configured to transmit a signal indicative of the pH of the fluid to a location remote to the integrated circuit system.
An integrated circuit system comprising:
- an active layer of a semiconductor die, the active layer comprising an active circuit;
- a measuring layer integrated with the semiconductor die, the measuring layer comprising a sensor configured to generate an indication of a pH of a fluid, and the measuring layer configured to provide the indication of the pH of the fluid to the active circuit;
- an opening configured to provide the fluid from external to the integrated circuit system to the sensor;
- and
- a signal transmission layer configured to transmit a signal indicative of the pH of the fluid to a location remote to the integrated circuit system, wherein the signal transmission layer is stacked vertically with the measuring layer and the semiconductor die.
An integrated circuit system comprising:
- an active layer of a semiconductor die, the active layer comprising an active circuit;
- a measuring layer vertically integrated with the semiconductor die, the measuring layer comprising a sensor configured to generate a signal indicative of a pH of a fluid;
- a conduit configured to provide the fluid from external to the integrated circuit system to the sensor;
- and
- a conductive path configured to provide an electrical connection between the measuring layer and the active circuit of the semiconductor die.
Dependencies are inferred from the claim text.