H01L2224/05623

Simultaneous plating of varying size features on semiconductor substrate

Techniques for simultaneously plating features of varying sizes on a semiconductor substrate are provided. In one aspect, a method for electroplating includes: placing a shield over a wafer, offset from a surface of the wafer, which covers portions of the wafer and leaves other portions of the wafer uncovered; and depositing at least one metal onto the wafer by electroplating to simultaneously form metallurgical features of varying sizes on the wafer based on the shield altering local deposition rates for the portions of the wafer covered by the shield. An electroplating apparatus is also provided.

Semiconductor chip, semiconductor device, and semiconductor package including the semiconductor chip

A semiconductor chip including a semiconductor substrate having a first surface and a second surface and having an active layer in a region adjacent to the first surface, a first through electrode penetrating at least a portion of the semiconductor substrate and connected to the active layer, a second through electrode located at a greater radial location from the center of the semiconductor substrate than the first through electrode, penetrating at least a portion of the semiconductor substrate, and connected to the active layer. The semiconductor chip also including a first chip connection pad having a first height and a first width, located on the second surface of the semiconductor substrate, and connected to the first through electrode, and a second chip connection pad having a second height greater than the first height and a second width greater than the first width, located on the second surface of the semiconductor substrate, and connected to the second through electrode.

Semiconductor chip, semiconductor device, and semiconductor package including the semiconductor chip

A semiconductor chip including a semiconductor substrate having a first surface and a second surface and having an active layer in a region adjacent to the first surface, a first through electrode penetrating at least a portion of the semiconductor substrate and connected to the active layer, a second through electrode located at a greater radial location from the center of the semiconductor substrate than the first through electrode, penetrating at least a portion of the semiconductor substrate, and connected to the active layer. The semiconductor chip also including a first chip connection pad having a first height and a first width, located on the second surface of the semiconductor substrate, and connected to the first through electrode, and a second chip connection pad having a second height greater than the first height and a second width greater than the first width, located on the second surface of the semiconductor substrate, and connected to the second through electrode.

Semiconductor package
11164821 · 2021-11-02 · ·

A semiconductor package including a semiconductor chip having a chip pad thereon; a first insulating layer; a redistribution line pattern on the first insulating layer; a redistribution via pattern through the first insulating layer to connect the chip pad to the redistribution line pattern; a second insulating layer covering the redistribution line pattern and including a first part having a first thickness and a second part having a second thickness. the second part being inward relative to the first part; a first conductive pillar through the first part and connected to the redistribution line pattern; a second conductive pillar through the second part and connected to the redistribution line pattern; a first connection pad on the first conductive pillar; a second connection pad on the second conductive pillar; a first connection terminal contacting the first connection pad; and a second connection terminal contacting the second connection pad.

Semiconductor package
11164821 · 2021-11-02 · ·

A semiconductor package including a semiconductor chip having a chip pad thereon; a first insulating layer; a redistribution line pattern on the first insulating layer; a redistribution via pattern through the first insulating layer to connect the chip pad to the redistribution line pattern; a second insulating layer covering the redistribution line pattern and including a first part having a first thickness and a second part having a second thickness. the second part being inward relative to the first part; a first conductive pillar through the first part and connected to the redistribution line pattern; a second conductive pillar through the second part and connected to the redistribution line pattern; a first connection pad on the first conductive pillar; a second connection pad on the second conductive pillar; a first connection terminal contacting the first connection pad; and a second connection terminal contacting the second connection pad.

SEMICONDUCTOR PACKAGE AND METHOD FOR MANUFACTURING SAME

A technical idea of the present disclosure provides a semiconductor package, as a semiconductor package mounted on a circuit board, including: a body portion including a semiconductor chip, and a first surface and a second surface opposite to each other; and a structure including n insulating layers stacked on at least one of the first surface and the second surface of the body portion, wherein the semiconductor package has a predetermined target coefficient of thermal expansion (CTE), and the n insulating layers and the body portion have a thickness and a CTE satisfying a condition that an effective CTE of the semiconductor package becomes equal to the predetermined target CTE.

SEMICONDUCTOR PACKAGE AND METHOD FOR MANUFACTURING SAME

A technical idea of the present disclosure provides a semiconductor package, as a semiconductor package mounted on a circuit board, including: a body portion including a semiconductor chip, and a first surface and a second surface opposite to each other; and a structure including n insulating layers stacked on at least one of the first surface and the second surface of the body portion, wherein the semiconductor package has a predetermined target coefficient of thermal expansion (CTE), and the n insulating layers and the body portion have a thickness and a CTE satisfying a condition that an effective CTE of the semiconductor package becomes equal to the predetermined target CTE.

SEMICONDUCTOR CHIP AND SEMICONDUCTOR PACKAGE INCLUDING THE SAME
20220223551 · 2022-07-14 ·

A semiconductor chip includes a semiconductor substrate having a first surface and a second surface opposite to the first surface. An active layer is disposed in a portion of the semiconductor substrate adjacent to the first surface. A through electrode extends in the semiconductor substrate in a vertical direction. The through electrode has a lower surface connected to the active layer and an upper surface positioned at a level lower than a level of the second surface of the semiconductor substrate. A passivation layer is disposed on the second surface of the semiconductor substrate. A bonding pad is arranged on a portion of the passivation layer and the upper surface of the through electrode. The bonding pad has a cross-section with a “T” shape in the vertical direction. The bonding pad is connected to the through electrode.

SEMICONDUCTOR CHIP AND SEMICONDUCTOR PACKAGE INCLUDING THE SAME
20220223551 · 2022-07-14 ·

A semiconductor chip includes a semiconductor substrate having a first surface and a second surface opposite to the first surface. An active layer is disposed in a portion of the semiconductor substrate adjacent to the first surface. A through electrode extends in the semiconductor substrate in a vertical direction. The through electrode has a lower surface connected to the active layer and an upper surface positioned at a level lower than a level of the second surface of the semiconductor substrate. A passivation layer is disposed on the second surface of the semiconductor substrate. A bonding pad is arranged on a portion of the passivation layer and the upper surface of the through electrode. The bonding pad has a cross-section with a “T” shape in the vertical direction. The bonding pad is connected to the through electrode.

Soldering a conductor to an aluminum layer

An arrangement is disclosed. In one example, the arrangement of a conductor and an aluminum layer soldered together comprises a substrate and the aluminum layer disposed over the substrate. The aluminum forms a first bond metal. An intermetallic compound layer is disposed over the aluminum layer. A solder layer is disposed over the intermetallic compound layer, wherein the solder comprises a low melting majority component. The conductor is disposed over the solder layer, wherein the conductor has a soldering surface which comprises a second bond metal. The intermetallic compound comprises aluminum and the second bond metal and is predominantly free of the low melting majority component.