The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.

The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.

Date of Patent:
Nov. 29, 2022

Filed:

Apr. 26, 2019
Applicant:

Samsung Electronics Co., Ltd., Suwon-si, KR;

Inventor:

Tae Hwan Kim, Yongin-si, KR;

Assignee:
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
H01L 21/67 (2006.01); H01L 21/48 (2006.01);
U.S. Cl.
CPC ...
H01L 21/67138 (2013.01); H01L 21/4853 (2013.01); H01L 21/67288 (2013.01);
Abstract

A device for attaching conductive balls to a substrate includes a first plate, a second plate and a controller. The first plate includes first recesses. Each of the first recesses picks up a corresponding conductive ball to be attached to the semiconductor package. The second plate includes second recesses. Each of the second recesses picks up a corresponding conductive ball to be attached to the semiconductor package. The first plate and the second plate are separated from each other. The controller controls each of the first plate and the second plate to be separately moved up or down so that a lower surface of the first plate and a lower surface of the second plate are positioned differently in a first direction normal the lower surface of the first plate.


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