Free Opening Brief in Support - District Court of Delaware - Delaware

Case 1:04-cv-00852-SLR Document 34-3 Filed 04/13/2005 Page 1 012

s Case 1 :04-ov—00852-SLR Document 34-3 1 Filed 04/13/2005 Page 2 of 2
Q
( Soitec
a W
Sumitomo Mitsubishi Silicon Corporation
General Manager
Patent Depatnsnent
Seavans North, 1-2-1 Shibaura,
Minato—1ru, Tokyo 105-8634
Snllec .l&Pm"·
Parc Techeclnglque
des Fcalaines
313191} Bcmirz · Fiesta
Adresse pustaiea
38925 Cmllus Cedex
Té1.:33(0l47592 rs ua W°d¤"’SdaY» 16 Mmh 2005
- Fu; 33 {G)4 we 92 ts ut
vm·.wrseitec.cnm t -— -————
5.0.§.11E13
SA au capiaai ds
4 257 520 €
334 711 909 `
B€S Grenoble
Suda APE 321 B
Dear Sir, _
We have been contacted by lx/[EMC Electronic Materials, Inc. in connection with the
following three European Patents. MEMS has suggested that these patents may be
pertinent to certain wafers which your company is supplying to us. The patents are:
EP0972094 (and, in particular, Claims 1 — 10),
EY?0973903 (and, in particular, Claims 1 ~ 6, 27 and 28) and
EP0973964 (and, in particular, Claims 13 ·— 20).
We would be grateful for your views with respect to the impact of these patents on the
availability of the materials you are furnisiaing to us.
Yours truly,
Emmanuel Huyghe
Inriusngial Property Manager