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International application No. Applicant's or agent's file reference
PCT/US2017/054588 P119682PCT
International filing date (day/month/year) (Earliest) Priority Date (day/month/year)
29 September 2017
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.     1A    
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 25/065 (2006.01)i; H01L 25/07 (2006.01)i; H01L 23/12 (2006.01)i; H01L 23/00 (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 modelsJapanese 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: package, stacked die, spacer die, footprint area, SoC


Category* Citation of document, with indication, where appropriate, of the relevant passages Relevant to claim No.
US 2005-0285260 A1 (DALE HACKITT et al.) 29 December 2005 See paragraphs [0018]-[0025] and figures 2-4.
US 2002-0180023 A1 (TZONG-DAR HER et al.) 05 December 2002 See paragraphs [0007]-[0008], [0037] and figure 5.
US 2006-0055018 A1 (MASAHIRO SEKIGUCHI et al.) 16 March 2006 See paragraphs [0024]-[0037] and figures 1-2.
KR 10-2005-0114033 A (SAMSUNG ELECTRONICS CO., LTD.) 05 December 2005 See claims 1, 9-11, 19-20 and figures 2-3.
US 2006-0273441 A1 (YUEH-CHIU CHUNG et al.) 07 December 2006 See paragraphs [0019]-[0022] and figures 2a-4.
Special categories of cited documents:
document defining the general state of the art which is not considered to be of particular relevance
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 2005-0285260 A1
29 December 2005
CN 1957468 A
CN 100550360 C
KR 10-0855790 B1
KR 10-2007-0020301 A
TW I292611 B
TW 200614464 A
US 7190068 B2
WO 2006-012167 A1
02 May 2007
14 October 2009
01 September 2008
20 February 2007
11 January 2008
01 May 2006
13 March 2007
02 February 2006
US 2002-0180023 A1
05 December 2002
TW 455964 B
US 6650009 B2
21 September 2001
18 November 2003
US 2006-0055018 A1
16 March 2006
JP 2006-086149 A
KR 10-0731235 B1
KR 10-2006-0051232 A
30 March 2006
22 June 2007
19 May 2006
KR 10-2005-0114033 A
05 December 2005
KR 10-0630682 B1
02 October 2006
US 2006-0273441 A1
07 December 2006
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 June 2018
Date of mailing of the international search report:
28 June 2018
Authorized officer:
CHOI, Sang Won
Telephone No. +82-42-481-8291
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