Semiconductor package and related methods
AssigneeSemiconductor Components Industries, LLC
InventorsYusheng LIN, Yenting WEN, George CHANG
Life of this patent
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Abstract
Implementations of semiconductor packages may include: a prefabricated electrically conductive section; two or more metal oxide semiconductor field effect transistors (MOSFET) physically coupled together; and a back metal coupled to the two or more MOSFETs; wherein the electrically conductive section may be coupled to the back metal and may be configured to electrically couple the two or more MOSFETs together during operation of the two or more MOSFETs.
Claims20
A semiconductor package comprising:
- a prefabricated electrically conductive section;
- two or more metal oxide semiconductor field effect transistors (MOSFET) physically coupled together;
- and
- a back metal coupled to the two or more MOSFETs;
- wherein the electrically conductive section is directly coupled to the back metal and is configured to electrically couple the two or more MOSFETs together during operation of the two or more MOSFETs.
A method of making a semiconductor package, the method comprising:
- providing a wafer comprising a first side comprising a plurality of metal oxide semiconductor field effect transistors (MOSFETs);
- grinding a second side of the wafer to bring the wafer to a predetermined thickness between the first side and the second side;
- forming a back side metallization on the second side of the wafer;
- singulating the plurality of MOSFETs into one or more die that each comprise at least two MOSFETs;
- forming a plurality of semiconductor packages by coupling the one or more die to an electrically conductive section using an electrically conductive material, the electrically conductive section having a predetermined thickness;
- curing the electrically conductive material;
- and
- singulating the plurality of semiconductor packages by one of punching or stamping the electrically conductive section;
- wherein, during operation of the die, the at least two MOSFETs are electrically coupled through the electrically conductive section.
A method for making a semiconductor package, the method comprising:
- providing a sheet of electrically conductive material of a predetermined thickness;
- punching a plurality of electrically conductive sections from the sheet;
- providing a wafer comprising a plurality of MOSFETs on a first side of the wafer;
- thinning a thickness of the wafer;
- applying a back side metallization on a second side of the wafer;
- coupling a plurality of electrically conductive sections to a second side of the wafer, each electrically conductive section coupled to two or more of the plurality of MOSFETs;
- singulating each electrically conductive section and a two or more MOSFETs of the plurality of MOSFETs coupled thereto to form a plurality of semiconductor packages;
- and
- electrically coupling through the electrically conductive section the two or more MOSFETs during operation of each of the plurality of semiconductor packages.
Dependencies are inferred from the claim text.