Abstract:
Embodiments of the invention include a pressure sensing device having a membrane that is positioned in proximity to a cavity of an organic substrate, a piezoelectric material positioned in proximity to the membrane, and an electrode in contact with the piezoelectric material. The membrane deflects in response to a change in ambient pressure and this deflection causes a voltage to be generated in the piezoelectric material with this voltage being proportional to the change in ambient pressure.
Abstract:
Embodiments of the invention include an optical grating switch integrated into an organic substrate and methods of forming such devices. According to an embodiment, the optical grating switch may include a cavity formed into an organic substrate. Additionally, the optical grating switch may include an array of moveable beams anchored to the organic substrate and suspended over the cavity. In an embodiment of the invention, each of the moveable beams in the optical grating switch may include a piezoelectric region formed over end portions of the moveable beam and a top electrode formed over a top surface of each of the piezoelectric regions. In order to reflect or diffract light, embodiments of the invention may include moveable beams that include a reflective surface formed over a central portion of the moveable beam.
Abstract:
Embodiments of the invention include a microelectronic device that includes a plurality of organic dielectric layers and a piezoelectrically actuated tunable capacitor having a variable capacitance formed in-situ with at least one organic dielectric layer of the plurality of organic dielectric layers. A piezoelectric actuator of the tunable capacitor includes first and second conductive electrodes and a piezoelectric layer that is positioned between the first and second conductive electrodes.
Abstract:
Embodiments of the invention include a physiological sensor system. According to an embodiment the sensor system may include a package substrate, a plurality of sensors formed on the substrate, a second electrical component, and an encryption bank formed along a data transmission path between the plurality of sensors and the second electrical component. In an embodiment the encryption bank may include a plurality of portions that each have one or more switches integrated into the package substrate. In an embodiment each sensor transmits data to the second electrical component along different portions of the encryption bank. In some embodiments, the switches may be piezoelectrically actuated. In other embodiments the switches may be actuated by thermal expansion. Additional embodiments may include tri- or bi-stable mechanical switches.
Abstract:
Embodiments of the invention include a current sensing device for sensing current in an organic substrate. The current sensing device includes a released base structure that is positioned in proximity to a cavity of the organic substrate and a piezoelectric film stack that is positioned in proximity to the released base structure. The piezoelectric film stack includes a piezoelectric material in contact with first and second electrodes. A magnetic field is applied to the current sensing device and this causes movement of the released base structure and the piezoelectric stack which induces a voltage (potential difference) between the first and second electrodes.
Abstract:
Embodiments of the invention include an optical routing device that includes an organic substrate. According to an embodiment, an array of cavities are formed into the organic substrate and an array of piezoelectrically actuated mirrors may be anchored to the organic substrate with each piezoelectrically actuated mirror extending over a cavity. In order to properly rout incoming optical signals, the optical routing device may also include a routing die mounted on the organic substrate. The routing die may be electrically coupled to each of the piezoelectrically actuated mirrors and is able to generated a voltage across the first and second electrodes of each piezoelectrically actuated mirror. Additionally, a photodetector may be electrically coupled to the routing die. According to an embodiment, an array of fiber optic cables may be optically coupled with one of the piezoelectrically actuated mirrors and optically coupled with the photodetector.
Abstract:
Embodiments of the invention include maskless imaging tools and display systems that include piezoelectrically actuated mirrors and methods of forming such devices. According to an embodiment, the maskless imaging tool may include a light source. Additionally, the tool may include one or more piezoelectrically actuated mirrors for receiving light from the light source. In an embodiment, the piezoelectrically actuated mirrors are actuatable about one or more axes to reflect the light from the light source to a workpiece positioned to receive light from the piezoelectrically actuated mirror. Additional embodiments of the invention may include a maskless imaging tool that is a laser direct imaging lithography (LDIL) tool. Other embodiments may include a maskless imaging tool that is a via-drill tool. Embodiments of the invention may also include a piezoelectrically actuated mirror used in a projection system. For example, the projection system may be integrated into a pair of glasses.
Abstract:
Embodiments of the invention include an active fiber with a piezoelectric layer that has a crystallization temperature that is greater than a melt or draw temperature of the fiber and methods of forming such active fibers. According to an embodiment, a first electrode is formed over an outer surface of a fiber. Embodiments may then include depositing a first amorphous piezoelectric layer over the first electrode. Thereafter, the first amorphous piezoelectric layer may be crystallized with a pulsed laser annealing process to form a first crystallized piezoelectric layer. In an embodiment, the pulsed laser annealing process may include exposing the first amorphous piezoelectric layer to radiation from an excimer laser with an energy density between approximately 10 and 100 mJ/cm2 and pulse width between approximately 10 and 50 nanoseconds. Embodiments may also include forming a second electrode over an outer surface of the crystallized piezoelectric layer.
Abstract:
Embodiments of the invention include a microelectronic device that includes a plurality of organic dielectric layers and a tunable ferroelectric capacitor formed in-situ with at least one organic dielectric layer of the plurality of organic dielectric layers. The tunable ferroelectric capacitor (e.g., varactor) includes first and second conductive electrodes and a ferroelectric layer that is positioned between the first and second conductive electrodes.
Abstract:
Package-integrated thin film lithium ion battery and methods for fabricating the same are disclosed. In one example, an electronic package includes an organic package substrate, and a lithium (Li) ion thin film battery (TFB) integrated into the organic package substrate. The Li ion TFB is formed in or on the organic package substrate or the Li ion TFB can be embedded in the organic package substrate. The Li ion TFB includes an anode layer, electrolyte layer, cathode layer, and anode and cathode current collector layers. The cathode layer can be a crystalline transition metal oxide cathode layer including lithium cobalt oxide LiCoO2 (LCO) or lithium manganese oxide LiMn2O3 The cathode layer is laser annealed to crystallize the cathode layer. The organic package substrate is a low temperature substrate such that the organic package substrate is maintained at a temperature of 215 C or less when the cathode layer is laser annealed. The organic package substrate can also be a flexible organic package substrate.