Doc Code: PA...
`PTO/ALVSZA (D7-13)
`Approved for use through 11/30/2014. OMB 0851-0061
`Document Description: Power of Allarney
`U.S. Patent and Trademark Office, U.S. DEPARTMENT OF COMMERCE
`Under ihe Paperwork Reduction Act of 1965, no persons are required to respond fo 2 collection of information unless it displays a valid OMB canirof number.
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`TRANSMITTAL FOR POWER OF ATTORNEY TO ONE OR MORE
`REGISTERED PRACTITIONERS
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`@ NOTE: This form is to be submitted with the Power of Attorney by Applicant form (PTO/AIA/828)to identify the application to which the
`Powerof Attorney is directed, in accordance with 37 CFR 1.5, unless the application number and filing date are identified in the Power of
`§ Attorney by Applicant form.
`if neither form PTO/AIA/82A nor form PTO/AIA82B identifies the application to which the Power of Attorney is
`& directed, the Power of Attomey will net be recognizedin the apolicatian.
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`| Application Number
`| Filing Date
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`| Filed Herewith
`|Filed Herewith
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`i First Named inventor
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`Luguang WANG
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`|) SEMICONDUCTOR STRUCTURE AND METHOD FOR PREPARING
`| SAME
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`SIGNATURE of Applicant or Patent Practitioner
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`| Stonature
`/Marcus A. Fischer/
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`Pate Catena June 22, 2022
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`forms are submitted,
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`peeeeeeneat
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`Marcus A. Fischer
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`| Registration
`Number
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`Title Gf Applicant is a Attorney of Record
`P| juristic entity}
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`Agplicant Name (if Applicant is a juristic entity)
` NOTE: This form must be signed in accordance with 37CFR 1.33. See 37 CFR 1.4cd)} for signature requirements and certifications. if
`i more than one applicant, use multiole forms.
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`| *Total of
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`This collection of information is required by 37 CFR 1.137, 1.32, and 1.33. The information is required to obtain or retain a benefit by
`the public whichis to file (and by the USPTO to process) an application. Confidentiality is governed by 35 U.S.C. 122 and 37 CER
`1.44 and 1.14. This collection is estimated to take 3 minutes io complete, including gathering, preparing, and submitting the completed
`application form to the USPTO. Time will vary depending upon the individual case. Any comments on the amount of time you require
`to complete this form and/or suggestions for reducing this burden, should be sent to the Chief Information Officer, U.S. Patent and
`Trademark Office, U.S. Department of Commerce, P.O. Box 1450, Alexandria, VA 22313-1450, DO NOT SEND FEES OR
`COMPLETED FORMS TO THIS ADDRESS. SEND TO: Commissioner for Patents, P.O. Box 1480, Alexandria, VA 22313-1480.
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`ff you need assistance in completing the form, call 1-800-PTO-9199 and select option 2.
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`

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`Doe Code: PA.
`ETOIAIAIROE C0714
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`mh PT OIMA(BOH(07-125e ascrictinan
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`Cscurnent Description: Power of Attorney
`Apoioved for use through TH302044, OMB GeSt-o051
`.
`U.S. Patent and. Trademark Cffice: LS, DEPARTMENT OF COMMERCE
`Under the Paperwork Reduction Act of 1985, ne persans-are required to respand'io a collection of information unlessit displays avalid OMB control number
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`POWER OF ATTORNEY BY APPLICANT
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`i hereby revoke all previous powers of attorney given in the application identified in either the attached transmittal ie tar or
`|
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`[the BOXES DELOW. samammece
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`Filing Date
`| Application Number
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`ee
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`Lannerrenennereeeee.
`—_
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`(Note: The boxes above maybe left blankif information Is provided on form PTOIAIAIE2A,}
`i hereby appoint tho Patent Practitioner(s) associated with the following Customer Number as my/our attorney(s) or agent(s}, and
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`to transact all business in the United States Patent and Trademark Office connected therewith for the application referenced in
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`the allached transmittal letter (fora PTO/AIA/S24)or identified above: 1 1983 ~ |i
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`i (hereby appoint Practitioner(s) named in the aifactiedlist form PTO/AIA/@20) as rayfour attorney(s) or agent(s}, and to frensact
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`ail busin@ss in the Urited Siates Patent and Trademark Office connected therewith for the satent application referenced in the
`attached iransmitial letter (farm PTOVAIA/82A)or identified abave.
`(Note: Complete form PTOIAIAB20.}
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`Please recognize or change the correspandence address for the application identified In the atlachad vansmitial
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`letter or the boxes above to:
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`Pa The address associated with the above-mentioned Custemer Number
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`[|
`The address associatedwith CustomerNumber: |
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`OR
`cero tenatereocs
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`Firm ot
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`Individual Name
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`| ¥ |
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`QR
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`eeeed
`i
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`:
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` f Address
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`|CHANGXINMEMORY TECHNOLOGIES, INC.
`i| Inventor or Joint inventor(title not required below)
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`| Legal Represeniative of a Deceased or Legally Incapacilated Inventortitle not required balaw)
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`Assignee or Person to Whom the Inventor is Under an Qbligation to Assign (provide signers litle if apoticant is a juristic entity)
` C| Person Who Otherwise Shows Sufficient Proprietary Interest(e.g., a petition under 37 CFR 1-46(5\(2) was granted in the
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`application of is concurrently being
`filed with this document) (provide signers title if applicantisa juristic entity)
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`SIGNATURE of Applicant for Patent
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`The undersigned (whose ite is supplied below} is authorized to act on behalf of the applicant (2.g., where ihe applicant is 3 jurisiic anilty}.
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`oksalleade wheti
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`Signature
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`Vincent Yip
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`NOTE: Signature- This form must be signed by the applicant in accordance with 37 CFR 1.33, See 37 CER L4 far signature requirements
`and certifications. if more than ‘one applicant, use multiple forms.
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`[Llrotal o Cc
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`This-collection of informationisrequired by F41431, 1.32, and 4, 2 information's required tc a! isto-file fand by the
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`USPTO to process) anapplication. Confidentiality is gaverned by 35.U.S.0, 122 and 37
`CFR 4.14 and 1,44. This collection is estimated fo take 3 minutes to complete,
`including gathering, pieparing, and submitting the completed application form to the USPTO,Time wit vary depending uponthe individual case, Any comments on the arnount
`of time.you saquite to complete this form and/or suggestions for reduning this burden, should be sent te the Chief Information Officer, US. Patent and Trademark Otfice. U.S,
`Department af Gommerce, P.O, Box 1450, Alexandiia, VA 22313-1450. DO NOT SEND FEES OR COMPLETED FORMS TO THIS ADDRESS. SEND TO: Gommissioner
`for Paterits, P.O. Box 1458, Alexandria, VA 22933-4450,
`ifyouneed assistance in completing the form, cail 1-800-PTO-9499 and select aption 2.
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`3 nonennnnnnnnne
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