Document:

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                                                                   EXHIBIT 10.14

                                   AGREEMENT

This agreement is made and entered into this day of Jun. 17, 1998 by and between
                                                    -------------
Omnivision Technologies, Inc. a cooperation duly organized and existing under
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the law of Republic of China, whose principal business address is 930 Thompson
                                                                  ------------
Place Sunnyvale, California 94086 USA (Herein after "CUSTOMER"), CoAsia
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Microelectronics Corp., an authorized ASIC agent of SAMSUNG in Taiwan, a
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 cooperation duly organized and existing under the law of Republic of China,
whose principal business address is 25F. Int'l Trade Bldg., No.333, Keelung Rd.,
Sec. 1, Taipei, Taiwan, R.O.C. (Herein after "CoAsia") and SAMSUNG ELECTRONICS
                                                           -------------------
TAIWAN CO., LTD. A cooperation duly organized and existing under the law of
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Republic of China, having an office at Int'l Trade Bldg., 30F, NO.333, Keelung
Rd., Sec. 1, Taipei, Taiwan, R.O.C. (Herein after "SAMSUNG" or "SET")

                                   WITNESSETH

Whereas, CUSTOMER desires for SAMSUNG to develop and produce the integrated
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circuit in accordance with the specifications for QV511 attached hereby as
                                                  -----
EXHIBIT A provided by CUSTOMER (Herein after "IC" or "ICs" in plural)
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Whereas CUSTOMER desires to purchase from SAMSUNG through CoAsia and Samsung
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desires to sell through CoAsia the ICs that are developed and produced by
SAMSUNG hereunder.

Now, there, in consideration of the promises and of mutual representations,
warranties and agreement set forth herein, the parties hereto agree as follows:
Definition: OV511--Gate Array; Master--KG8244D T.L.M.; G/L--look gates; 100QFP

1.   NON-RECURRING ENGINEERING (NRE) CHARGES

     SAMSUNG will develop the ICs pursuant to specification as specified
     in EXHIBIT A. The ICs shall be developed at SAMSUNG's own
     standard process and control criteria. Such development includes the mask
     tooling and 150 pcs units of a sample production. CUSTOMER will pay
                                                       ---------
     US$*** for the development costs of the said IC. The half of this fee will
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     be paid by T/T when this AGREEMENT becomes effective, and the rest will be
     paid upon the delivery of sample to customer.

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*** Confidential treatment requested pursuant to a request for confidential
    treatment filed with the Securities and Exchange Commission. Omitted
    portions have been filed separately with the Commission.

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2.   THE DEVELOPMENT SCHEDULE OF IC

     . OV511

     . The approval of post-layout simulation by customer    :   D day

     . Sample delivery of 150 pcs units by SAMSUNG           :   D day + 18 days

     . Approval of the sample by customer                    :   D day + 25 days

3.   UNIT PRICE & PAYMENT

     The unit price of this ICs are as following"

     1.3K/lot pcs      US$***

     3K.100K/lot pcs   US$***

     100K/lot pcs      US$***

     Payment Term: C.I.F. Taiwan or C.I.F. U.S.A.; L/C at sight
     CUSTOMER will purchase from SAMSUNG a minimum quantity of 50K pcs of ICs
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     during one year after approval of sample.

4.  CANCELLATION

     A. CUSTOMER can not cancel P/O on or after the schedule delivery date
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     stipulated in P/O or within 8 weeks before such scheduled delivery date
     unless CUSTOMER pays 100% total prices of ICs to SEC.
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     B. CUSTOMER can cancel P/O earlier than 8 weeks before such scheduled
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     delivery date by notifying in writing such cancellation to SAMSUNG.

5.   CONFIDENTIALITY

     Either party does not disclose the confidential document or information
     provided by the other party to third parties without the prior written
     consent of the other party.

6.   INDEMNITY

     The CUSTOMER accepts responsibility for all liabilities resulting from of
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     products or intellectual property right by third parties with respect to
     ICs, and indemnifies SAMSUNG against such claims.

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*** Confidential treatment requested pursuant to a request for confidential
    treatment filed with the Securities and Exchange Commission. Omitted
    portions have been filed separately with the Commission.

                                      2/3
<PAGE>

7.   OWNERSHIP

     The mask right of the IC other than the layout right of the IC is solely
     owned by SAMSUNG, But the right of using IC is solely owned by Customer,
     SAMSUNG and CoAsia shall not produce and/or sell the IC to any third party
     (including all other SAMSUNG Divisions) without Customer's authorization.
     The database belongs to CUSTOMER. The purchasing order from Customer to
     SAMSUNG through CoAsia will automatically authorize SAMSUNG to produce and
     sell the IC to Customer or third party (including all other SAMSUNG
     Divisions) designated by Customer. If the sample doesn't work or this
     agreement terminates, SAMSUNG will automatically destroy the masks.

8.   TERM OF CONTRACT

     This AGREEMENT will be effective from the date signed by both parties and
     shall extend for a term of 2 years from the approval of the ICs sample by
     CUSTOMER.

9.   GOVERNING LAW

     This AGREEMENT shall be constructed and governed in accordance with R.O.C.
     law.

     For and on behalf of

     SAMSUNG ELECTRONICS TAIWAN CO, LTD.     OMNIVISION TECHNOLOGIES, INC.

     /s/ H. S. KIM                           /s/ JACK WANG
     -------------                           -------------
     NAME: H. S. KIM                         NAME: JACK WANG
     TITLE: PRESIDENT                        TITLE: DIRECTOR, ASIA BUSINESS
     DATE: Jun. 17, 1998                     DATE: Jun. 17, 1998

     CoAsia MICROELECTRONICS CORP.

     /s/ Harrison J. Lee
     -------------------
     NAME: HARRISON J. LEE
     TITLE: GENERAL MANAGER
     DATE: Jun. 17, 1998

                                      3/3<PAGE>

                                                                   EXHIBIT 10.15

OmniVision Technologies, Inc
930 Thompson Place
Sunnyvale, CA 94086

Gentlepersons,

     This letter ("Letter") will confirm the terms of our agreement for the
purchase by Creative Technology Ltd. and its affiliates and subsidiaries
(collectively, "Creative") of OmniVision's 0V7610 sensor ("Sensor") and 0V511
compression chip ("Chip") (collectively, the "Product"). The terms and
conditions contained in this Letter shall govern the purchase and sale of
Product and are intended to supplement the terms and conditions set forth in the
purchase orders for the Products ("Purchase Order"), a current sample of which
is attached hereto as Exhibit A. The terms of the then current Purchase Order
are herein incorporated by reference and shall be binding on both parties;
provided, however, that to the extent the terms of the then current Purchase
Order conflict or are inconsistent with the terms of this Letter, the terms of
this Letter shall govern.

1.   Term. The term of this Letter shall be three (3) years, commencing on the
--   ----
date this Letter is signed by both parties. In the event that either party
commits a material breach of its obligations hereunder and such breach remains
uncured for ten (10) calendar days after written notice to the breaching party,
the non-breaching party may immediately terminate this Letter in its entirety.
Notwithstanding such termination, outstanding Purchase Orders shall remain
subject to this Letter until filled.

2.   Forecasts. Once a month, Creative shall furnish a rolling, non-binding six-
--   ---------
week forecast of projected purchases of Products ("Forecast"), but any such
Forecast is for planning purposes only and does not constitute a commitment of
any type by Creative. Creative shall have no obligation to purchase any quantity
of Product beyond those specified in the First P.O., as defined below.

3.   Purchase Orders. Creative may purchase Products by issuing a Purchase Order
--   ---------------
no less than thirty (30) days from the required delivery, date for such order. A
Purchase Order represents Creative's obligation to buy, and OmniVision's
obligation to sell and deliver Product to Creative in the quantity set forth in
the Purchase Order so long as, and to the extent that, such quantity is within
*** of Creative's Forecast. Creative has the right to cancel any Purchase
Order, in whole or in part, if OmniVision fails to make deliveries in accordance
with the terms, including without limitation, the time schedule, set forth in a
Purchase Order.

     a.  First Purchase Order. OmniVision shall supply all Products ordered
     --  --------------------
under the Purchase Order, dated February 2, 1999, attached hereto as Exhibit B
("First P.O."). Fifteen Thousand units of each of the Sensor and the Chip
ordered under the First P.O. shall be received by Creative no later than March
23, 1999 and the remainder of the Products ordered under the First P.O. shall be
received by Creative no later than March 31, 1999 (March 23, 1999 and March 31,
1999 each hereinafter called a "Delivery Date"); provided, however, that
Creative may cancel or modify all or any part of the First P.O., at its
discretion, at any time prior to thirty days before a Delivery Date, or, within
thirty days of a Delivery Date, if: (1) Creative's product which incorporates
the Product ("Creative Product") fails Creative's internal testing procedures;
or (2) the Creative Product fails to pass FCC or CE approval in a timely
fashion. In the event that OmniVision cannot or does not meet the March 23, 1999
delivery date. Creative may terminate the First P.O. in part or in its entirety.
The price of Products ordered under the First P.O. shall be that set forth in
Section 4a herein.

     b.  February Purchase Order for Product Samples. In the month of February,
     --  -------------------------------------------
Creative intends to issue an additional Purchase Order for 150 units of each of
the Sensor and the Chip. Creative shall receive such Products within fourteen
(14) calendar day's from the date of such Purchase Order. The pricing for such
Products shall be that set forth in Section 4a herein.

*** Confidential treatment requested pursuant to a request for confidential
    treatment filed with the Securities and Exchange Commission. Omitted
    portions have been filed separately with the Commission.
<PAGE>

<TABLE>
<CAPTION>
4.   Pricing
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     Prices for Products shall be as follows:                      Sensor        Chip
                                                                   -----------   ----------
     <S>                                                          <C>           <C>
     a. Products purchased under First P.O.:
          Receipt by Creative by applicable Delivery Date:         $***/unit   $***/unit
          Receipt by Creative after applicable Delivery Date:      $***/unit   $***/unit

     b. Subsequent Purchase Orders:
          Units 0 -- 25,000                                        $***/unit   $***/unit
          Units 25,001 and over.                                   $***/unit   $***/unit
</TABLE>

     Prices include all direct, indirect and incidental charges related to the
sale and delivery of the Product including, without limitation, packaging,
packing, storing, insurance costs, freight shipping charges, duties and charges
of any kind, and any and all sales, use, excise and similar taxes. F.O.B. point
is Creative, Singapore. Payment terms are net 45 days following date of receipt
of Product at the delivery destination provided by Creative.

5.   Engineer Resources and Support. OmniVision shall provide, at no charge (for
--   ------------------------------
either time expended or costs incurred, including, without limitation, travel
expenses), assistance in commercializing the Product as requested by Creative,
including, without limitation, technical assistance and engineering, resources
in the following areas: optical testing, FCC approval, and Creative's internal
testing procedures. Such assistance shall include, at a minimum, providing two
(2) engineers for two (2) weeks at Creative's Singapore facilities.

6.   Samples. OmniVision shall deliver, at no charge to Creative, twenty (20)
--   -------
samples of each of the Sensor and the Chip, no later than February 2, 1999.
OmniVision shall notify Creative as soon as possible of revisions to the
Product, and shall provide twenty (20) samples of each new revision as soon as
practicable, but in no event less than sixty (60) days prior to commercial
availability of such revisions.

7.   ***
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     a.  ***
     --

     b.  Product Availability. OmniVision warrants that in the event OmniVision
     --  --------------------
suffers a shortage of Product such that it will not be able to fill all of its
customers' orders, ***. OmniVision further warranty that it will immediately
notify Creative in writing, in the event it believes it will not be able to fill
a Creative P.O. in a timely fashion. Such notification will include, without
limitation, the reason for the failure to fill the P.O.

     c.  New Products. OmniVision shall notify Creative, ***, of its plans for
     --  ------------
new products. Prior to offering for sale any such new product, OmniVision will
first consult with Creative and allow Creative to place a purchase order for
such new product ***.

     d.  Audit Rights. Creative shall be entitled to have an independent auditor
     --  ------------
review OmniVision's records during reasonable business hours to determine
compliance with Section 7. In the event the auditor determines that OmniVision
has failed to comply with the terms of this Section 7, OmniVision shall be
responsible for paying the costs of the independent auditor review.

***   Confidential treatment requested pursuant to a request for confidential
      treatment filed with the Securities and Exchange Commission. Omitted
      portions have been filed separately with the Commission.
<PAGE>

8.   Warranties and Indemnities
--   --------------------------

     a.  Intellectual Property Warranty. OmniVision warrants that the Products
     --  ------------------------------
furnished hereunder and the sale, use or incorporation of the Products into a
Creative Product do not infringe or misappropriate any patent, copyright, trade
secret, trademark, publicity, privacy, or other rights of any person.

     b.  Product Warranty. OmniVision warrants that the Products shall be free
     --  ----------------
from defects in material, manufacturing, design and workmanship and shall
conform to their specifications for a period of fifteen (15) months from
Creative's receipt of Product ("Warranty Period"). In the event a Product has a
defect that constitutes a breach of this warranty, OmniVision shall use its best
efforts to repair the defect, or at Creative's option, (1) accept return of the
Product and provide a replacement of the same Product or (2) refund to Creative
the total amount paid by Creative to OmniVision for such Product.

     c.   Year 2000 Warranty. OmniVision warrants that each Product delivered
     --   ------------------
          hereunder accurately processes date/time data (including, but not
          limited to, calculating, comparing, and sequencing) from, into, and
          between the twentieth and twenty-first centuries, and the years 1999
          and 2000 and leap year calculations and when used in combination with
          other information technology, shall accurately process date/time data
          if the other information technology properly exchanges date/time data
          with it. OmniVision shall indemnify and hold Creative harmless from
          any damages, costs, liabilities or expenses, including attorneys' fees
          and other legal costs arising out of a breach of the above warranty
          and will use its best efforts to immediately correct any deficiencies
          relating thereto.

     d.  Indemnification. OmniVision shall hereby protect, defend, indemnify and
         ---------------
save Creative and its affiliates harmless from all liabilities, damages, and
losses, including without limitation, settlements, costs, and expenses
(including without limitation, attorneys fees and costs) which Creative or its
affiliates may incur or be obligated to pay as a result of any and all claims,
demands, causes of action or judgements of every nature whatsoever in favor of
any person or entity, arising out of or related to any breach of any warranty or
representation in this Letter or the Exhibits or resulting from OmniVision's
performance hereunder.

9.   Logos. OmniVision may include its logo on the Sensor, but shall under no
--   -----
circumstances identify the Chip with its logo or any other indication of its
source, other than lot and part number. OmniVision shall allow a space on the
Chip for inclusion of the Creative label.

10.  Non-Disclosure. OmniVision expressly acknowledges that the existence of any
---  --------------
relationship between it and Creative is highly confidential. OmniVision may not
use Creative's name in advertisements or press releases or otherwise disclose
the existence or content of this Letter or its relationship with Creative
without the prior written consent of a duly authorized officer of Creative.
Creative and OmniVision acknowledge that disclosures of either party's
confidential information under this Letter and the Exhibits shall be subject to
the terms and conditions of the non-disclosure agreement in place between the
parties dated February 19, 1998 ("Non-Disclosure Agreement") and attached hereto
as Exhibit C.

11.  Software License. OmniVision grants Creative a non-exclusive, irrevocable,
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royalty-free, worldwide, right and license to use all software required for the
proper operation and support of the Products (collectively, "Software") as set
forth in the Software license in place between the parties dated       , 1999
                                                                 ------
("Software License Agreement") and attached hereto as Exhibit D.

12.  Remedies.  The rights and remedies provided to Creative herein shall be
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cumulative and in addition to any other rights and remedies provided under the
Uniform Commercial Code, or otherwise at law or equity. OmniVision's sole remedy
in the event of breach of contract by Creative shall be the right

***   Confidential treatment requested pursuant to a request for confidential
      treatment filed with the Securities and Exchange Commission. Omitted
      portions have been filed separately with the Commission.
<PAGE>

to recover damages in an amount equal to the difference between market price to
third parties at the time of breach and contract price.

13.  Miscellaneous. This Letter, and the exhibits attached hereto, represent the
---  -------------
entire agreement with respect to the subject matter hereof and supersede all
prior discussions, proposals and agreements between the parties relating to the
subject matter hereof. This Letter and the exhibits (except as expressly set
forth in this Letter) can be modified only by a written amendment duly signed by
persons authorized to sign agreements on behalf of both parties and shall not be
supplemented or modified by any course of dealing or trade usage. This Letter
and the exhibits shall be interpreted and governed in all respects according to
the laws of the State of California, excluding its choice of law provisions.

Agreed to by:                             Agreed to by:

OMNIVISION TECHNOLOGIES, INC.             CREATIVE TECHNOLOGY LTD.

/s/ Robert J. Stroh
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SIGNATURE                                 SIGNATURE

Robert J. Stroh
---------------                           -----------------------
PRINT NAME                                PRINT NAME

Vice President
--------------                            -----------------------
TITLE                                     TITLE

February 1, 1999
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DATE                                      DATE

***   Confidential treatment requested pursuant to a request for confidential
      treatment filed with the Securities and Exchange Commission. Omitted
      portions have been filed separately with the Commission.

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