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International application No. Applicant's or agent's file reference
PCT/US2016/069308 42P110233PCT
International filing date (day/month/year) (Earliest) Priority Date (day/month/year)
29 December 2016
FOR FURTHER ACTION: See Form PCT/ISA/220 as well as, where applicable, item 5 below.
This international search report has been prepared by this International Searching Authority and is transmitted to the applicant according to Article 18. A copy is being transmitted to the International Bureau.
It is also accompanied by a copy of each prior art document cited in this report.
1. Basis of the report
a. With regard to the language, the international search was carried out on the basis of:
the international application in the language in which it was filed.
a translation of the international application into                                          which is the language of a translation furnished for the purposes of international search (Rules 12.3(a) and 23.1(b)).
This international search report has been established taking into account the rectification of an obvious mistake authorized by or notified to this Authority under Rule 91 (Rule 43.6bis(a)).
With regard to any nucleotide and/or amino acid sequence disclosed in the international application, the international search was carried out on the basis of a sequence listing:
2. Certain claims were found unsearchable
3. Unity of invention is lacking
4. Title of the invention
The text is approved as submitted by the applicant.
The text has been established by this Authority to read as follows:
5. Abstract
The text is approved as submitted by the applicant.
The text has been established, according to Rule 38.2, by this Authority as it appears in Box No. IV. The applicant may, within one month from the date of mailing of this international search report, submit comments to this Authority.
6. Drawings
The figure of the drawings to be published with the abstract is Figure No.     1    
as suggested by the applicant.
as selected by this Authority, because the applicant failed to suggest a figure.
as selected by this Authority, because this figure better characterizes the invention.
none of the figures is to be published with the abstract.


     H01L 23/00 (2006.01)i; H01L 21/56 (2006.01)i; H01L 23/12 (2006.01)i; H01L 23/367 (2006.01)i; H01L 21/768 (2006.01)i
According to International Patent Classification (IPC) or to both national classification and IPC


Minimum documentation searched (classification system followed by classification symbols):
Documentation searched other than minimum documentation to the extent that such documents are included in the fields searched:
Korean utility models and applications for utility models
Japanese utility models and applications for utility models
Electronic data base consulted during the international search (name of data base and, where practicable, search terms used):
eKOMPASS(KIPO internal) & keywords: 3D IC, wafer, package, stack, epoxy, thermal


Category* Citation of document, with indication, where appropriate, of the relevant passages Relevant to claim No.
US 2015-0357272 A1 (INVENSAS CORPORATION) 10 December 2015 See paragraphs [0053]-[0082] and figures 2-30.
US 2016-0099206 A1 (VIAGAN LTD.) 07 April 2016 See paragraph [0045] and figure 3.
US 2011-0233762 A1 (PETER A. GRUBER et al.) 29 September 2011 See paragraphs [0043]-[0048] and figures 3A-4B.
US 2014-0036454 A1 (INVENSAS CORPORATION) 06 February 2014 See paragraph [0124] and figure 25.
KR 10-2008-0101256 A (SAMSUNG ELECTRO-MECANICS CO., LTD.) 21 November 2008 See paragraphs [0031]-[0049] and figure 2.
Special categories of cited documents:
document defining the general state of the art which is not considered to be of particular relevance
document cited by the applicant in the international application
earlier application or patent but published on or after the international filing date
document which may throw doubts on priority claim(s) or which is cited to establish the publication date of another citation or other special reason (as specified)
document referring to an oral disclosure, use, exhibition or other means
document published prior to the international filing date but later than the priority date claimed
later document published after the international filing date or priority date and not in conflict with the application but cited to understand the principle or theory underlying the invention
document of particular relevance; the claimed invention cannot be considered novel or cannot be considered to involve an inventive step when the document is taken alone
document of particular relevance; the claimed invention cannot be considered to involve an inventive step when the document is combined with one or more other such documents, such combination being obvious to a person skilled in the art
document member of the same patent family


Patent document cited in search report Publication date
Patent family member(s) Publication date
US 2015-0357272 A1
10 December 2015
KR 10-2017-0013343 A
TW 201608646 A
US 9741649 B2
WO 2015-187694 A1
06 February 2017
01 March 2016
22 August 2017
10 December 2015
US 2016-0099206 A1
07 April 2016
US 2016-0111616 A1
US 9548434 B2
US 9502344 B2
21 April 2016
17 January 2017
22 November 2016
US 2011-0233762 A1
29 September 2011
US 8138020 B2
20 March 2012
US 2014-0036454 A1
06 February 2014
CN 104685622 A
EP 2880683 A1
JP 2015-523743 A
KR 10-2015-0041029 A
US 9502390 B2
US 2016-0079214 A1
WO 2014-022780 A1
03 June 2015
10 June 2015
13 August 2015
15 April 2015
22 November 2016
17 March 2016
06 February 2014
KR 10-2008-0101256 A
21 November 2008
US 2008-0283989 A1
KR 10-0872265 B1
20 November 2008
05 December 2008
Name and mailing address of the ISA/:
Korean Intellectual Property Office
189 Cheongsa-ro, Seo-gu, Daejeon Metropolitan City, 302-701
Republic of Korea
Facsimile No. +82-42-481-8578
Date of the actual completion of the international search:
28 September 2017
Date of mailing of the international search report:
28 September 2017
Authorized officer:
CHOI, Sang Won
Telephone No. +82-42-481-8291
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