H01L23/49565

Method for manufacturing semiconductor device

A first lead terminal, a second lead terminal provided parallel to the first lead terminal, and a tie bar connecting the first lead terminal and the second lead terminal are provided. The tie bar includes a first narrow-width section touching the first lead terminal, a second narrow-width section touching the second lead terminal, and a wide-width section having a larger width than the first narrow-width section and the second narrow-width section and connecting the first narrow-width section and the second narrow-width section. The wide-width section has a through-hole formed between the first narrow-width section and the second narrow-width section.

LEAD FRAME, PACKAGED INTEGRATED CIRCUIT BOARD, POWER CHIP, AND CIRCUIT BOARD PACKAGING METHOD
20220223506 · 2022-07-14 ·

Disclosed is a packaging solution, such as a lead frame for circuit board packaging, a packaged integrated circuit board, a power chip, and a circuit board packaging method. The lead frame includes a plurality of frame units disposed in parallel in a first direction. The frame unit includes a hollow bezel, and a plurality of pins and connecting ribs that are disposed in the bezel. Each pin includes a first pin part and a second pin part that extend in a second direction and are integrally formed. The first pin part is disposed in the bezel, the first pin part is configured to electrically connect to a circuit board, and the second pin part is connected and fastened to the bezel. The second direction is perpendicular to the first direction. The connecting ribs are connected among the plurality of pins and the bezel.

SPRING BAR LEADFRAME, METHOD AND PACKAGED ELECTRONIC DEVICE WITH ZERO DRAFT ANGLE

A method includes attaching semiconductor dies to die attach pads of first and second columns of the lead frame; enclosing the semiconductor dies of the respective columns in respective first and second package structures; trimming the lead frame to separate respective first and second lead portions of adjacent ones of the first and second columns of the lead frame; moving the first columns along a column direction relative to the second columns; and separating individual packaged electronic devices of the respective first and second columns from one another.

SEMICONDUCTOR DEVICE
20220301985 · 2022-09-22 ·

A semiconductor device, includes: a semiconductor element having element main surface and element back surface spaced apart from each other in thickness direction and including a plurality of main surface electrodes arranged on the element main surface; a die pad having a die pad main surface where the semiconductor element is mounted; a plurality of leads including at least one first lead arranged on one side in first direction orthogonal to the thickness direction with respect to the die pad, and arranged around the die pad when viewed in the thickness direction; a plurality of connecting members including a first connecting member bonded to the at least one first lead, and configured to electrically connect the main surface electrodes and the leads; and a resin member configured to seal the semiconductor element, a part of the die pad, parts of the leads, and the connecting members

METHOD OF MANUFACTURING SEMICONDUCTOR DEVICE AND SEMICONDUCTOR DEVICE

According to the present disclosure, a method of manufacturing a semiconductor device includes the steps of (a) preparing a lead frame including a switching element die pad, a control element die pad, and a third-side side rail portion, (b) mounting a switching element and a diode element on the switching element die pad and mounting a control element configured to control the switching element on the control element die pad, (c) sealing the switching element, the diode element, and the control element with a mold resin such that the power side terminal, the control side terminal, and a part of the third-side side rail portion protrude outward, and (d) forming a third-side side rail terminal by cutting the third-side side rail portion, the third-side side rail terminal extending from a part of the third-side side rail portion.

Lead frame and method of manufacturing light emitting device
11158776 · 2021-10-26 · ·

A lead frame includes a plurality of unit structures, an outer frame, a plurality of extending portions, and a plurality of coupling portions. The unit structures each includes a first lead portion and a second lead portion aligned in a first direction, and grouped into first and second groups including a plurality of the unit structures aligned in the first direction. The extending portions each includes a first extending portion extending in the second direction and connecting the first lead portions of the unit structures in the first and second groups a second extending portion connecting the second lead portions of the unit structures in the first and second groups. The coupling portions connect all the first extending portions and the second extending portions. At least one of the extending portions located at one of ends in the first direction is not directly connected to the outer frame.

Semiconductor device packages with electrical routing improvements and related methods

Semiconductor device packages may include a die-attach pad and a semiconductor die supported above the die-attach pad. A spacer comprising an electrically conductive material may be supported above the semiconductor die or between the semiconductor die and the die-attach pad. A wire bond may extend from a bond pad on an active surface of the semiconductor die to the spacer. Another wire bond may extend from the spacer to a lead finger or the die-attach pad. An encapsulant material may encapsulate the semiconductor die, the spacer, the wire bond, the other wire bond, the die-attach pad, and a portion of any lead fingers.

Method for manufacturing semiconductor device

In a first step of a method of manufacturing a semiconductor device, a portion to be the first lead frame is formed by selectively punching a metal plate, furthermore, notch portions depressed in the reference direction are formed on both side surfaces of a portion, of the first lead frame where the first bent portion is formed, in line contact with the first conductive layer in the reference direction; in the second step of the method, a first bent portion is formed by bending the one end of the first lead frame so as to protrude downward along the reference direction; and in the third step of the method, the upper surface of the first conductive layer and the lower surface of the first bent portion of the first lead frame are joined at the end of the substrate, by the first conductive bonding material, furthermore, the upper surface of the first conductive layer and the notch portions of the first bent portion are joined, by embedding a part of the first conductive bonding material in the notch portions.

Semiconductor device and method of manufacturing semiconductor device

The one end portion of the connector of the semiconductor device includes: a horizontal portion; a first inclined portion that is connected to the horizontal portion and is located closer to the tip end side of the one end than the horizontal portion, and the first inclined portion having a shape inclined downward from the horizontal portion; and a control bending portion that is connected to the first inclined portion and positioned at the tip of the one end portion, and the control bending portion bent downwardly along the bending axis direction. The lower surface of the control bending portion is in contact with an upper surface of the second terminal.

Leadframe, Encapsulated Package with Punched Lead and Sawn Side Flanks, and Corresponding Manufacturing Method

A package includes a carrier, an electronic component on the carrier, an encapsulant encapsulating at least part of the carrier and the electronic component, and at least one lead extending beyond the encapsulant and having a punched surface, wherein at least part of at least one side flank of the encapsulant has a sawn texture.