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美國專利訴訟調查(3):半導體裝置製造類大砲專利

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科技產業資訊室 - May 發表於 2009年2月18日

本調查以Stanford Law School所收錄聯邦地方法院訴訟資料為基礎,統計期間自2000年1月1日至2008年12月31日,全球各廠商提告有關半導體裝置製造類專利訴訟案件(US PATENT CLASS 438:SEMICONDUCTOR DEVICE MANUFACTURING: PROCESS),查得共計134案件,涉及爭議專利或訴訟引用專利數162個,如圖一。該類美國專利分類USP Class 438,參見表一:範圍說明。

表一、專利分類範圍說明

US PATENT CLASS 438:SEMICONDUCTOR DEVICE MANUFACTURING: PROCESS

SubClass

CLASS NOTES

1

Having biomaterial component or integrated with living organism

2

Having superconductive component

3

Having magnetic or ferroelectric component

4

Repair or restoration

5

Including control responsive to sensed condition

14

With measuring or testing

19

Having integral power source (e.g., battery, etc.)

20

Electron emitter manufacture

21

Manufacture of electrical device controlled printhead

22

Making device or circuit emissive of nonelectrical signal

48

Making device or circuit responsive to nonelectrical signal

99

Having organic semiconductive component

100

Making point contact device

102

Having selenium or tellurium elemental semiconductor component

104

Having metal oxide or copper sulfide compound semiconductor component

105

Having diamond semiconductor component

106

Packaging (e.g., with mounting, encapsulating, etc.) Or treatment of packaged semiconductor

128

Making device array and selectively interconnecting

133

Making regenerative-type switching device (e.g., scr, igbt, thyristor, etc.)

141

Making conductivity modulation device (e.g., unijunction transistor, double base diode, conductivity-modulated transistor, etc.)

142

Making field effect device having pair of active regions separated by gate structure by formation or alteration of semiconductive active regions

309

Forming bipolar transistor by formation or alteration of semiconductive active regions {25}

379

Voltage variable capacitance device manufacture (e.g., varactor, etc.)

380

Avalanche diode manufacture (e.g., impatt, trappat, etc.)

381

Making passive device (e.g., resistor, capacitor, etc.)

400

Formation of electrically isolated lateral semiconductive structure

455

Bonding of plural semiconductor substrates

460

Semiconductor substrate dicing

466

Direct application of electrical current

471

Gettering of substrate

478

Formation of semiconductive active region on any substrate (e.g., fluid growth, deposition)

510

Introduction of conductivity modifying dopant into semiconductive material {7}

570

Forming schottky junction (i.e., semiconductor-conductor rectifying junction contact)

584

Coating with electrically or thermally conductive material {2}

689

Chemical etching

758

Coating of substrate containing semiconductor region or of semiconductor substrate

795

Radiation or energy treatment modifying properties of semiconductor region of substrate (e.g., thermal, corpuscular, electromagnetic, etc.)

800

Miscellaneous

Source:USPTO

 

圖一、美國專利侵權訴訟:半導體裝置製造類(US Patent Class 438)

Source:Stanford Law School,科技政策研究與資訊中心—科技產業資訊室整理,2009年2月

表二、重量級大砲專利表列 (涉及案件數>=5)

 

排名 美國專利US Patent 爭議專利標題 Patent title 涉及案件數
1 5470784 Method of forming semiconducting materials and barriers using a multiple chamber arrangement 17
2 5543634 Method of forming semiconductor materials and barriers 16
3 4226897 Method of forming semiconducting materials and barriers 15
4 6245648 Method of forming semiconducting materials and barriers 9
5 5649625 Ring tray with nesting ring supports 7
6 6881632 Method of fabricating CMOS inverter and integrated circuits utilizing strained surface channel MOSFETS 6
7 6946371 Methods of fabricating semiconductor structures having epitaxially grown source and drain elements 6
8 3968018 Sputter coating method 5
9 4624737 Process for producing thin-film transistor 5
10 4737830 Integrated circuit structure having compensating means for self-inductance effects 5
11 5825449 Liquid crystal display device and method of manufacturing the same 5
12 6133627 Semiconductor chip package with center contacts 5
13 6831292 Semiconductor structures employing strained material layers with defined impurity gradients and methods for fabricating same 5

參考資料: Stanford Law School (2009)。上網日期:2009年2月12日,取自:http://www.law.stanford.edu/

該調查結果之中,有些專利更是大砲中的大砲,涉及多項案件及被告,如表二:Top13重量級大砲專利表列。此外,從該統計調查可看出,Plasma Physics Co提告案件最多,共有16件,Amberwave Systems Co有6件居次,LG Philips LCD Co有5件排第三,Advance Micro Device、 Motorola、 Rothschild、 Samsung、 Siliconix也各有4件。 而台灣半導體及IC驅動元件廠商被列名者也是不少。 以上訴訟調查,歡迎來洽詢及訂購。

(本文:334字;圖1;表2:424)

 


 
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