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International application No. Applicant's or agent's file reference
PCT/US2020/038899 COMET-025PCT
International filing date (day/month/year) (Earliest) Priority Date (day/month/year)
22 June 2020 09 July 2019
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 filed or furnished:
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.


     H03H 7/40 (2006.01)i; H01J 37/32 (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: matching network, low-Q impedance transformation, high-Q impedance transformation, sensor element


Category* Citation of document, with indication, where appropriate, of the relevant passages Relevant to claim No.
US 2018-0261431 A1 (APPLIED MATERIALS, INC.) 13 September 2018 paragraphs [0058]-[0061]; claim 1; and figure 7
WO 2019-096564 A1 (EVATEC AG) 23 May 2019 paragraphs [0165]-[0173]; and claims 1-2
US 2016-0248396 A1 (RENO TECHNOLOGIES, INC.) 25 August 2016 claims 22-35; and figure 1A
US 2003-0150710 A1 (JOHN D. EVANS et al.) 14 August 2003 claims 1-17
US 5175472 A (THEODORE E. JOHNSON, JR et al.) 29 December 1992 claims 1-6
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 2018-0261431 A1
13 September 2018
US 10109462 B2
23 October 2018
WO 2019-096564 A1
23 May 2019
CN 111316396 A
KR 10-2020-0089711 A
TW 201927079 A
19 June 2020
27 July 2020
01 July 2019
US 2016-0248396 A1
25 August 2016
US 10217608 B2
US 10340879 B2
US 10431424 B2
US 10679823 B2
US 2016-0241234 A1
US 2017-0104469 A1
US 2017-0330729 A1
US 2018-0041183 A1
US 2019-0115191 A1
US 2019-0172683 A1
US 9306533 B1
US 9525412 B2
US 9584090 B2
US 9729122 B2
26 February 2019
02 July 2019
01 October 2019
09 June 2020
18 August 2016
13 April 2017
16 November 2017
08 February 2018
18 April 2019
06 June 2019
05 April 2016
20 December 2016
28 February 2017
08 August 2017
US 2003-0150710 A1
14 August 2003
CA 2463528 A1
CA 2522603 A1
CA 2529794 A1
CN 1602563 A
CN 1852764 A
CN 1871373 A
EP 1451892 A1
EP 1451892 A4
EP 1620915 A2
EP 1620915 A4
EP 1689907 A2
EP 1689907 A4
JP 2005-506660 A
JP 2006-524422 A
JP 2007-524963 A
KR 10-0932019 B1
KR 10-2004-0076850 A
KR 10-2006-0009852 A
KR 10-2006-0029621 A
US 2004-0026231 A1
US 2004-0263412 A1
US 7084832 B2
US 7100532 B2
US 7132996 B2
WO 03-032434 A1
WO 03-032434 B1
WO 2004-095626 A2
WO 2004-095626 A3
WO 2004-114461 A2
WO 2004-114461 A3
17 April 2003
04 November 2004
29 December 2004
30 March 2005
25 October 2006
29 November 2006
01 September 2004
23 January 2008
01 February 2006
23 July 2008
16 August 2006
23 July 2008
03 March 2005
26 October 2006
30 August 2007
15 December 2009
03 September 2004
01 February 2006
06 April 2006
12 February 2004
30 December 2004
01 August 2006
05 September 2006
07 November 2006
17 April 2003
03 July 2003
04 November 2004
13 April 2006
29 December 2004
06 July 2006
US 5175472 A
29 December 1992
JP 05-266990 A
15 October 1993
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:
24 September 2020
Date of mailing of the international search report:
25 September 2020
Authorized officer:
Telephone No. +82-42-481-5709
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