H01L21/2007

SUBSTRATE BONDING APPARATUS

A substrate bonding apparatus for bonding a first substrate to a second substrate includes a first bonding chuck supporting the first substrate, a second bonding chuck disposed above the first bonding chuck and supporting the second substrate, a resonant frequency detector detecting a resonant frequency of a bonded structure with the first substrate and the second substrate which are at least partially bonded to each other, and a controller controlling a distance between the first bonding chuck and the second bonding chuck according to the detected resonant frequency of the bonded structure.

MULTILEVEL SEMICONDUCTOR DEVICE AND STRUCTURE WITH WAVEGUIDES

A multi-level semiconductor device, the device including: a first level including integrated circuits; a second level including an electromagnetic waveguide, where the second level is disposed above the first level, where the first level includes crystalline silicon; and an oxide layer disposed between the first level and the second level, where the second level is bonded to the oxide layer, and where the bonded includes oxide to oxide bonds.

Method of forming heterojunction bipolar transistor (HBT)

A method of forming an HBT structure includes forming an HBT epitaxial layer structure over a first substrate wafer; performing a first substrate transfer of the HBT epitaxial layer structure and the first substrate wafer onto a second substrate wafer, including inverting the HBT epitaxial layer structure and the first substrate wafer; removing the first substrate wafer; forming a first subcollector metal layer over the HBT epitaxial layer structure; performing a second substrate transfer of the subcollector metal layer and the HBT epitaxial layer structure onto a third substrate wafer with a second subcollector metal layer, including inverting the subcollector metal layer and the epitaxial layer structure; compression bonding the first and second subcollector metal layers to provide a bonded subcollector metal layer; and removing the second substrate wafer. The HBT structure includes the third substrate wafer, the bonded subcollector metal layer, and the HBT epitaxial layer structure.

Multilevel semiconductor device and structure with waveguides

A multi-level semiconductor device, the device including: a first level including integrated circuits; a second level including an electromagnetic waveguide, where the second level is disposed above the first level, where the first level includes crystalline silicon; and an oxide layer disposed between the first level and the second level, where the second level is bonded to the oxide layer, and where the bonded includes oxide to oxide bonds.

DEFLECTABLE PLATENS AND ASSOCIATED METHODS
20210118692 · 2021-04-22 · ·

A deflectable platen including a first layer formed of a material having a first coefficient of thermal expansion (CTE), and a second layer bonded to the first layer and having a second CTE, the second layer including a plurality of electrodes embedded therein for facilitating electrostatic clamping of wafers to the second layer, wherein the second CTE is different than the first CTE.

LIGHT ABSORBING LAYER TO ENHANCE P-TYPE DIFFUSION FOR DTI IN IMAGE SENSORS

In some embodiments, the present disclosure relates to a method for forming an integrated chip (IC), including forming a plurality of image sensing elements including a first doping type within a substrate, performing a first removal process to form deep trenches within the substrate, the deep trenches separating the plurality of image sensing elements from one another, performing an epitaxial growth process to form an isolation epitaxial precursor including a first material within the deep trenches and to form a light absorbing layer including a second material different than the first material within the deep trenches and between sidewalls of the isolation epitaxial precursor, performing a dopant activation process on the light absorbing layer and the isolation epitaxial precursor to form a doped isolation layer including a second doping type opposite the first doping type, and filling remaining portions of the deep trenches with an isolation filler structure.

DEVICE AND METHOD FOR BONDING OF SUBSTRATES

A method for bonding a first substrate with a second substrate at respective contact faces of the substrates with the following steps: holding the first substrate to a first sample holder surface of a first sample holder with a holding force F.sub.H1 and holding the second substrate to a second sample holder surface of a second sample holder with a holding force F.sub.H2; contacting the contact faces at a bond initiation point and heating at least the second sample holder surface to a heating temperature T.sub.H; bonding of the first substrate with the second substrate along a bonding wave running from the bond initiation point to the side edges of the substrates, wherein the heating temperature T.sub.H is reduced at the second sample holder surface during the bonding.

Combined wafer production method with a receiving layer having holes
10960574 · 2021-03-30 · ·

A method for producing solid layers includes: providing a solid for separating at least one solid layer; fixing an accommodating layer for holding the solid layer on the solid, wherein the accommodating layer has a multiplicity of holes for conducting a liquid, wherein the accommodating layer is fixed on the solid by means of a connecting layer; and thermal loading of the accommodating layer for mechanical generation of stresses in the solid. A crack in the solid propagates along a detachment plane due to the stresses. The solid layer is separated from the solid by means of the crack. The accommodating layer includes at least one polymer material, and the polymer material undergoes a glass transition at a temperature lower than 0 C.

Device and method for bonding of two substrates

A device, a system and a method for bonding two substrates. A first substrate holder has a recess and an elevation.

REMOVABLE STRUCTURE AND REMOVAL METHOD USING THE STRUCTURE

A detachable structure comprises a carrier substrate and a silicon oxide layer positioned on the substrate at a first interface. The detachable structure is notable in that: the oxide layer has a thickness of less than 200 nm; light hydrogen and/or helium species are distributed deeply and over the entire area of the structure according to an implantation profile, a maximum concentration of which is located in the thickness of the oxide layer; the total dose of implanted light species, relative to the thickness of the oxide layer, exceeds, at least by a factor of five, the solubility limit of these light species in the oxide layer.