H01L27/11517

3D semiconductor device and structure with memory

A 3D semiconductor device, the device including: a first level including a plurality of first single crystal transistors and a first metal layer, where the first transistors include forming memory control circuits; a second level including a plurality of second transistors; a third level including a plurality of third transistors, where the second level is above the first level, and where the third level is above the second level; a second metal layer above the third level; and a third metal layer above the second metal layer, where the second transistors are aligned to the first transistors with less than 140 nm alignment error, where the second level includes a plurality of first memory cells, where the third level includes a plurality of second memory cells, and where the memory control circuits are designed to adjust a memory write voltage according to the device specific process parameters.

Erasable programmable non-volatile memory including two floating gate transistors with the same floating gate
11282844 · 2022-03-22 · ·

An erasable programmable non-volatile memory includes a first select transistor, a first floating gate transistor, a second select transistor and a second floating gate transistor. A select gate and a first source/drain terminal of the first select transistor receive a first select gate voltage and a first source line voltage, respectively. A first source/drain terminal and a second source/drain terminal of the first floating gate transistor are connected with a second source/drain terminal of the first select transistor and a first bit line voltage, respectively. A select gate and a first source/drain terminal of the second select transistor receive a second select gate voltage and a second source line voltage, respectively. A first source/drain terminal and a second source/drain terminal of the second floating gate transistor are connected with the second source/drain terminal of the second select transistor and a second bit line voltage, respectively.

SEMICONDUCTOR DEVICE AND METHOD OF MANUFACTURING THE SAME
20220093618 · 2022-03-24 ·

A stacked-layer body including a gate insulating film and a control gate electrode is formed in a product region and a scribe region. Next, a gate insulating film and a conductive film are so formed that the stacked-layer body is covered. Next, an etching process is so performed to the conductive film that an upper surface of the conductive film is lower than that of an upper surface of the stacked-layer body, thereby forming a measurement pattern in the scribe region. Next, a memory gate electrode is formed by patterning the conductive film in the product region. Next, a silicide layer is formed on an upper surface of the memory gate electrode in the product region in a state where an upper surface of the measurement pattern is covered by an insulating film. Next, a resistance value of the measurement pattern covered by the insulating film is measured.

Floating gate fabrication method

A floating gate fabrication method is disclosed. The method includes: providing a substrate, and depositing an oxide layer on the substrate; fabricating a shallow trench isolation in the substrate, a top surface of the shallow trench isolation being higher than a top surface of the oxide layer; depositing a polysilicon layer on the oxide layer and the shallow trench isolation; performing a first thermal annealing process on the polysilicon layer, thereby repairing cavities formed after the deposition of the polysilicon layer; implanting ions into the polysilicon layer; performing a second thermal annealing process on the polysilicon layer, thereby activating the implanted ions and repairing again the cavities formed after the deposition of the polysilicon layer; and planarizing the polysilicon layer to form a floating gate.

Semiconductor Device Having Features to Prevent Reverse Engineering
20210242143 · 2021-08-05 ·

An electronic device includes: a base layer; a first layer located at least partially over the base layer; a second layer located at least partially over the first layer; a first metal layer located at least partially over the second layer, wherein one or more signal outputs of the electronic device are formed in the first metal layer; and a second metal layer located at least partially over the first metal layer, wherein one or more gate connection is formed in the second metal layer, wherein removing a portion of the second metal layer disrupts at least one gate connection and deactivates the device.

LOGIC DRIVE BASED ON STANDARD COMMODITY FPGA IC CHIPS USING NON-VOLATILE MEMORY CELLS
20210234544 · 2021-07-29 ·

A field-programmable-gate-array (FPGA) IC chip includes multiple first non-volatile memory cells in the FPGA IC chip, wherein the first non-volatile memory cells are configured to save multiple resulting values for a look-up table (LUT) of a programmable logic block of the FPGA IC chip, wherein the programmable logic block is configured to select, in accordance with its inputs, one from the resulting values into its output; and multiple second non-volatile memory cells in the FPGA IC chip, wherein the second non-volatile memory cells are configured to save multiple programming codes configured to control a switch of the FPGA IC chip.

Structure of a nonvolatile memory device with a low-voltage transistor fabricated on a substrate

A structure of nonvolatile memory device includes a substrate, having a logic device region and a memory cell region. A first gate structure for a low-voltage transistor is disposed over the substrate in the logic device region, wherein the first gate structure comprises a single-layer polysilicon. A second gate structure for a memory cell is disposed over the substrate in the memory cell region. The second gate structure includes a gate insulating layer on the substrate. A floating gate layer is disposed on the gate insulating layer, wherein the floating gate layer comprises a first polysilicon layer and a second polysilicon layer as a stacked structure. A memory dielectric layer is disposed on the floating gate layer. A control gate layer is disposed on the memory dielectric layer, wherein the control gate layer and the single-layer polysilicon are originated from a preliminary polysilicon layer in same.

Memory and Method for Forming the Same

The present disclosure provides a memory and a method for forming the memory. The memory includes: a substrate including a first storage area and a second storage area; a source region disposed in the substrate between the first storage area and the second storage area; a first drain region and a second drain region in the substrate on both sides of the first storage area and the second storage area; a first storage structure disposed on the first storage area, including a first storage unit, a second storage unit, and a first word line gate; and a second storage structure disposed on the second storage area, including a third storage unit, a fourth storage unit, and a second word line gate. The memory can obtain an improved performance.

SEMICONDUCTOR DEVICE AND MANUFACTURING METHOD THEREOF
20210202513 · 2021-07-01 ·

A semiconductor device includes a non-volatile memory. The non-volatile memory includes a first dielectric layer disposed on a substrate, a floating gate disposed on the dielectric layer, a control gate. A second dielectric layer is disposed between the floating gate and the control gate, having one of a silicon nitride layer, a silicon oxide layer and multilayers thereof. A third dielectric layer is disposed between the second dielectric layer and the control gate, and includes a dielectric material having a dielectric constant higher than silicon nitride.

SoC package with integrated ultraviolet light source

Programmable devices and methods for fabricating the programmable devices are described. In an example, a method for fabricating a programmable device can include bonding a UV light source to a computer chip by flip-chip mounting the UV light source to the computer chip. The UV light source can be configured to emit UV light towards a UV erasable area of the computer chip to perform UV erasing on the computer chip. The method can further include bonding a carrier to the computer chip by flip chip mounting the computer chip to the carrier using a second array of bond pads.