Comparison of the last versions

 

Number of sources

Ver. 6.6

Ver. 6.7

Ver. 7.0

Ver. 7.1

Ver. 7.2

Ver. 7.3

Ver. 7.4

Published before 2000

19,276

20,735

22,473

23,684

23,988

24,223

24,496

Published in 2000-2005

2,865

3,436

4,106

4,679

4,797

4,962

5,124

Published in 2006

97

598

615

754

791

838

885

Published in 2007

None

106

215

684

767

852

907

Published in 2008

None

None

None

62

242

650

781

Published in 2009

None

None

None

None

None

84

362

Total

22,239

24,775

27,409

29,763

30,585

31,609

32,551

Among them patents

8,052

9,462

11,672

13,079

13,364

13,674

14,072

 

 

 

 

 

 

 

 

Authors

17,893

19,250

19,608

20,776

21,288

22,184

22,716

 

 

 

 

 

 

 

 

Number of all glasses:

Total

286,830

300,367

304,122

314,079

321,316

330,111

338,099

Oxide glasses

214,448

223,229

229,806

235,300

240,438

246,460

252,583

Halide glasses

14,084

14,326

14,457

15,049

15,592

15,698

15,860

Chalcogenide glasses

24,412

27,413

28,067

30,417

31,317

32,704

33,808

 

Numerical characteristics of Ver. 7.4

<

Item

 

 

 

Count

Number of glasses

 

 

338099

 

By Number of Components

 

 

 

One-component

5409

 

 

Binary

 

61841

 

 

Ternary

 

144461

 

 

Four-component

41304

 

 

Others

 

85084

 

By Systems

 

 

 

 

Oxide

 

252583

 

 

 

Silicate (>=45 mol.% SiO2)

106046

 

 

 

Borate (>=45 mol.% B2O3)

34390

 

 

 

Germanate (>=45 mol.% GeO2)

10044

 

 

 

Phosphate (>=40 mol.% P2O5)

21055

 

 

 

Tellurite (>=30 mol.% TeO2)

15230

 

 

Halide

 

15860

 

 

Chalcogenide

33808

 

By Properties

 

 

 

 

Acoustical properties

268

 

 

Chemical durability

31807

 

 

Crystallization

21046

 

 

 

Tmax

837

 

 

 

vmax

839

 

 

 

Tc

14111

 

 

 

Tx

7242

 

 

 

Tn

139

 

 

 

I0

121

 

 

Density

 

73760

 

 

 

Density at 20°C

68618

 

 

 

Density at 800°C

770

 

 

 

Density at 1000°C

1060

 

 

 

Density at 1200°C

834

 

 

 

Density at 1400°C

961

 

 

 

Molar/spec. volume at 20°C

68618

 

 

Dielectric properties

10368

 

 

 

e'

2831

 

 

 

Tand

2403

 

 

Diff., permeat., & solub. of gases

2022

 

 

Elastic properties

13146

 

 

 

Young`s modulus

9668

 

 

 

Shear modulus

4889

 

 

 

Poisson`s ratio

4583

 

 

Electrical resistivity

40286

 

 

 

logr at 20°C

13790

 

 

 

logr at 150°C

14289

 

 

 

logr at 300°C

11593

 

 

 

logr at 800°C

2046

 

 

 

logr at 1000°C

2596

 

 

 

logr at 1200°C

2171

 

 

 

logr at 1400°C

2143

 

 

 

TK-100

12393

 

 

Glass formation

69175

 

 

Heat capacity

3035

 

 

 

Cp at 20°C

905

 

 

 

Cp at 200°C

656

 

 

 

Cp at 400°C

504

 

 

 

Cp at 800°C

311

 

 

 

Cp at 1000°C

198

 

 

 

Cp at 1200°C

183

 

 

 

Cp at 1400°C

136

 

 

Internal friction

1481

 

 

Ion diffusion

1986

 

 

Mg

 

15446

 

 

Magnetic properties

4363

 

 

Microhardness

12267

 

 

Optical properties

62579

 

 

 

nd at 20°C

48565

 

 

 

n at 0.6<l<1mm (20°C)

203

 

 

 

n at l>1mm (20°C)

251

 

 

 

Mean dispersion

20993

 

 

 

Abbe`s number

21153

 

 

Srtess-optic coef.

1155

 

 

Strength

 

3246

 

 

Surface tension

4894

 

 

 

s at T>Tg

4105

 

 

 

s at 900°C

770

 

 

 

s at 1200°C

948

 

 

 

s at 1300°C

1379

 

 

 

s at 1400°C

802

 

 

TIiq

 

46815

 

 

 

TIiq

32955

 

 

 

Tm

13468

 

 

Tg

 

61422

 

 

TEC

 

50998

 

 

 

a at 55±10°C

2189

 

 

 

a at 100±10°C

2274

 

 

 

a at 160±10°C

14650

 

 

 

a at 210±10°C

10143

 

 

 

a at 350±10°C

1076

 

 

 

a at T<Tg

49427

 

 

Thermal conductivity

1501

 

 

Thermal diffusivity

793

 

 

Thermal endurance

1111

 

 

Visc. standard points

14466

 

 

 

Littleton Point

3700

 

 

 

Annealing Point

3530

 

 

 

Strain Point

5055

 

 

 

Softening Point

5423

 

 

Viscosity

 

33135

 

 

 

T1 (log[h,P]=1)

4130

 

 

 

T2 (log[h,P]=2)

5114

 

 

 

T3 (log[h,P]=3)

8594

 

 

 

T4 (log[h,P]=4)

8368

 

 

 

T5 (log[h,P]=5)

4939

 

 

 

T6 (log[h,P]=6)

4588

 

 

 

T7 (log[h,P]=7)

4352

 

 

 

T8 (log[h,P]=8)

4811

 

 

 

T9 (log[h,P]=9)

5067

 

 

 

T10 (log[h,P]=10)

5652

 

 

 

T11 (log[h,P]=11)

6134

 

 

 

T12 (log[h,P]=12)

6013

 

 

 

T13 (log[h,P]=13)

4839

 

 

 

logh at 500°C

2065

 

 

 

logh at 600°C

3477

 

 

 

logh at 700°C

3650

 

 

 

logh at 800°C

3959

 

 

 

logh at 900°C

4415

 

 

 

logh at 1000°C

4837

 

 

 

logh at 1100°C

5548

 

 

 

logh at 1200°C

6621

 

 

 

logh at 1300°C

7479

 

 

 

logh at 1400°C

7931

 

 

 

logh at 1500°C

6311

 

 

 

logh at 1600°C

3234

 

 

 

logh at 1700°C

929

 

 

 

logh at 1800°C

392

 

 

 

logh at 2000°C

141

 

 

 

logh at 2200°C

41

 

 

 

logh at 2500°C

9

 

 

Volatilization

860

 

Optical Spectra

 

11014

Source Data Tables

 

 

30830

 

By Properties

 

 

 

 

Acoustical properties

67

 

 

Chemical durability

3411

 

 

Crystallization

3588

 

 

Density

 

7318

 

 

Dielectric properties

1495

 

 

Diff., permeat., & solub. of gases

331

 

 

Elastic properties

1563

 

 

Electrical resistivity

4723

 

 

Glass formation

4198

 

 

Heat capacity

611

 

 

Internal friction

307

 

 

Ion diffusion

399

 

 

Mg

 

1565

 

 

Magnetic properties

468

 

 

Microhardness

1274

 

 

Optical properties

5504

 

 

Optical spectra

2479

 

 

Srtess-optic coef.

103

 

 

Strength

 

465

 

 

Surface tension

464

 

 

TIiq

 

2816

 

 

Tg

 

7065

 

 

TEC

 

5517

 

 

Thermal conductivity

301

 

 

Thermal diffusivity

99

 

 

Thermal endurance

199

 

 

Visc. standard points

1452

 

 

Viscosity

 

3221

 

 

Volatilization

179

Authors

 

 

 

22722

References

 

 

32563

 

 

Top 20 Journals

 

 

 

 

J.Non-Cryst.Solids

2583

 

 

 

J.Am.Ceram.Soc.

1044

 

 

 

Fizika i Khimiya Stekla

941

 

 

 

Phys.Chem.Glasses

814

 

 

 

J.Mater.Sci.

513

 

 

 

Neorg.Mater.

471

 

 

 

J.Ceram.Soc.Jpn

409

 

 

 

Solid State Ionics

365

 

 

 

Glastech.Ber.

321

 

 

 

Mater.Res.Bull.

222

 

 

 

J.Appl.Phys.

221

 

 

 

Zh.Neorg.Khim.

216

 

 

 

Zh.Prikl.Khim.

197

 

 

 

J.Mater.Sci.Lett.

193

 

 

 

Glass Technology

185

 

 

 

Physica B

170

 

 

 

Mater.Chem.Phys.

169

 

 

 

J.Soc.Glass Technol.

157

 

 

 

Thermochim.Acta

148

 

 

 

Phys.Rev.B

148

 

Patents

 

 

14156

 

 

Filing Countries

 

 

 

 

Argentina

26

 

 

 

Australia

172

 

 

 

Austria

63

 

 

 

Belgium

216

 

 

 

Brazil

128

 

 

 

Bulgaria

8

 

 

 

Canada

222

 

 

 

China

380

 

 

 

Croatia

9

 

 

 

Czach Republic

1

 

 

 

Czech Republic

60

 

 

 

Czechoslovakia

13

 

 

 

Denmark

39

 

 

 

Egypt

3

 

 

 

Estonia

1

 

 

 

Eurasia

1

 

 

 

Eurasian Patent Office

1

 

 

 

European Patent Office

765

 

 

 

Finland

46

 

 

 

France

848

 

 

 

German Democratic Republic

94

 

 

 

Germany

1204

 

 

 

Great Britain

2

 

 

 

Greece

18

 

 

 

Hong Kong

36

 

 

 

Hungary

39

 

 

 

Iceland

4

 

 

 

India

7

 

 

 

Indonesia

5

 

 

 

International

697

 

 

 

Ireland

15

 

 

 

Israel

4

 

 

 

Italy

68

 

 

 

Japan

3556

 

 

 

Korea, South

220

 

 

 

Lithuania

1

 

 

 

Luxembourg

24

 

 

 

Malaysia

5

 

 

 

Mexico

47

 

 

 

Moldova

1

 

 

 

Netherlands

292

 

 

 

New Zealand

13

 

 

 

Norway

19

 

 

 

OAPI - African Intellectual Pr

1

 

 

 

Philippines

4

 

 

 

Poland

59

 

 

 

Portugal

28

 

 

 

Republic of Korea

13

 

 

 

Romania

6

 

 

 

Russia

118

 

 

 

Singapore

19

 

 

 

Slovakia

23

 

 

 

Slovenia

9

 

 

 

South Africa

25

 

 

 

Spain

155

 

 

 

Sweden

79

 

 

 

Switzerland

84

 

 

 

Taiwan, ROC

75

 

 

 

Tajikistan

1

 

 

 

Turkey

18

 

 

 

Ukraine

3

 

 

 

United Kingdom

781

 

 

 

United States of America

2381

 

 

 

USA

25

 

 

 

USSR

872

 

 

 

Yugoslavia

1

 

 

Top Assignees

 

 

 

 

Corning Glass Works (US)

840

 

 

 

Corning Inc. (US)

478

 

 

 

Hoya Corp. (JP)

366

 

 

 

Schott Glas, Mainz (DE)

317

 

 

 

Asahi Glass Co., Ltd. (JP)

287

 

 

 

Jenaer Glaswerk Schott and Gen. (DD)

279

 

 

 

Nippon Sheet Glass Co., Ltd. (JP)

254

 

 

 

Nippon Electric Glass Co., Ltd. (JP)

236

 

 

 

Owens-Illinois, Inc. (US)

198

 

 

 

Isover Saint-Gobain (FR)

155

 

 

 

Ernst Leitz GmbH (DE)

152

 

 

 

Schott Glaswerke, Mainz (DE)

152

 

 

 

N.V.Philips`Gloeilampenfabrieken (NL)

148

 

 

 

PPG Industries, Inc. (US)

145

 

 

 

Schott Glaswerke (DE)

143

 

 

 

Schott AG (DE)

136

 

 

 

Pilkington Brothers Ltd. (GB)

125

 

 

 

Nippon Electric Glass Co. (JP)

121

 

 

 

Owens-Corning Fiberglas Corp. (US)

121

 

 

 

Kabushiki Kaisha Ohara (JP)

112

 

 

 

Glaverbel (BE)

102

 

 

 

General Electric Co. (US)

101

 

 

 

Nippon Electric Glass Co. Ltd. (JP)

99

 

 

 

Saint-Gobain Vitrage (FR)

90

 

 

 

Central Glass Co., Ltd. (JP)

86

 

 

 

Saint-Gobain Glass France (FR)

85

 

 

 

Asahi Glass Co., Ltd (JP)

83

 

 

 

Asahi Glass Co. Ltd. (JP)

83

 

 

 

Ohara KK (JP)

76

 

 

 

PPG Industries Ohio, Inc. (US)

75

 

 

 

Pilkington PLC (GB)

73

 

 

 

Ohara Inc. (JP)

64

 

 

 

Imperial Chemical Industries Ltd. (GB)

64

 

 

 

Corning Inc.(US)

62

 

 

 

Hoya Glass Works Ltd. (JP)

62

 

 

 

Minnesota Mining and Manufacturing Co. (US)

58

 

 

 

Saint Gobain Isover (FR)

57

 

 

 

Saint-Gobain Co. (FR)

55

 

 

 

Nippon Sheet Glass Co. Ltd. (JP)

53

 

 

 

Eastman Kodak Co. (US)

53

 

 

 

Philips Electronic and Assoc.Ind.Ltd. (GB)

51

 

 

 

American Optical Corp. (US)

48

 

 

 

Saint Gobain Vitrage (FR)

48

 

 

 

Jenaer Glaswerk Schott & Gen. (DE)

46

 

 

 

Jenaer Glaswerk Schott and Gen. (DE)

45

 

 

 

Saint-Gobain Vitrage International (FR)

44

 

 

 

Central Glass Co. Ltd. (JP)

44

 

 

 

Hoya Corp.(JP)

44

 

 

 

Nippon Electric Glass Co., Ltd (JP)

40

 

 

 

Schott Glas (DE)

39

 

 

 

Hitachi, Ltd. (JP)

35

 

 

 

Saint-Gobain Ind. (FR)

34

 

 

 

Nippon Electric Glass Co.(JP)

33

 

 

 

Obara Optical Glass (JP)

33

 

 

 

Sumita Optical Glass, Inc. (JP)

33

 

 

 

Nippon Sheet Glass Co., Ltd (JP)

32

 

 

 

Philips`Gloeilampenfabrieken N.V. (NL)

32

 

 

 

Pittsburgh Plate Glass Co. (US)

32

 

 

 

Schott Glass, Mainz (DE)

31

 

 

 

Matsushita Electric Ind.Co., Ltd. (JP)

31

 

 

 

Schott AG, Mainz (DE)

31

 

 

 

International Business Machines Corp. (US)

30

 

 

 

Nikon Corp. (JP)

29

 

 

 

Western Electric Co., Inc. (US)

29

 

 

 

Saint-Gobain Vetrotex France S.A. (FR)

28

 

 

 

Johns-Manville Corp. (US)

28

 

 

 

Ernst Leitz Wetzlar GmbH (DE)

27

 

 

 

TBA Industrial Products Ltd. (GB)

27

 

 

 

Rockwool International A/S (DK)

26

 

 

 

Nippon Kogaku K.K. (JP)

26

 

 

 

E.I. Du Pont de Nemours and Co. (US)

26

 

 

 

VEB Jenaer Glaswerk Schott and Gen. (DD)

26

 

 

 

Westinghouse Electric Corp. (US)

26

 

 

 

Asahi Glass Co., Ltd.  (JP)

25

 

 

 

Schott Glass Technologies, Inc. (US)

25

 

 

 

N.V. Philips`Gloeilampenfabrieken (NL)

25

 

 

 

Bayer Aktiengesellschaft (DE)

25

 

 

 

Nippon Kogaku KK (JP)

25

 

 

 

Koninklijke Philips Electronics N.V. (NL)

25

 

 

 

Owens-Illinois Inc. (US)

25

 

 

 

Sumita Optical Glass (JP)

25

 

 

 

Corning  Glass Works (US)

24

 

 

 

Fujitsu Ltd. (JP)

23

 

 

 

Minolta Co., Ltd. (JP)

23

 

 

 

Ferro Corp. (US)

23

 

 

 

Manville Service Corp. (US)

23

 

 

 

Matsushita Electric Industrial Co., Ltd. (JP)

23

 

 

 

Saint-Gobain  Vitrage (FR)

22

 

 

 

Nippon Sheet Glass Co., Ltd.(JP)

22

 

 

 

Intern.Business Machines Corp. (US)

21

 

 

 

Owens Corning (US)

21

 

 

 

Matsushita Electric Works Ltd. (JP)

21

 

 

 

Nihon Yamamura Glass Co., Ltd. (JP)

21

 

 

 

Nitto Boseki Co., Ltd. (JP)

20

 

 

 

Libbey-Owens-Ford Co. (US)

20

 

 

 

Guardian Industries Corp. (US)

20

 

 

 

Corning France S.A. (FR)

20

 

 

 

Hoya Glass Works (JP)

20

 

 

 

Nihon Yamamura Glass Co., Ltd (JP)

20

 

 

 

Glaverbel S.A. (BE)

20

 

 

 

Texas Instruments Inc. (US)

20

 

 

 

Degussa Aktiengesellschaft (DE)

19

 

 

 

Jenaer Glaswerk GmbH (DD)

19

 

 

 

Saale-Glas GmbH (DD)

19

 

 

 

Nippon Chemical Ind. (JP)

19

 

 

 

Saint-Gobain Vitrage Int. (FR)

19

 

 

 

Central Glass Co., Ltd.  (JP)

19

 

 

 

Glaverbel (Belgium)

19

 

 

 

U.S.Philips Corp. (US)

19

 

 

 

Hoya Corp.  (JP)

18

 

 

 

PPG Ind. Ohio, Inc. (US)

18

 

 

 

National Research Development Corp. (GB)

18

 

 

 

Libbey Owens Ford Co. (US)

18

 

 

 

Toshiba Glass KK (JP)

18

 

 

 

Ohara Inc.(JP)

17

 

 

 

Nippon Electric Glass Co., Ltd.  (JP)

17

 

 

 

Saint-Gobain Vetrotex France (FR)

17

 

 

 

Owens-Illinois Glass Co. (US)

17

 

 

 

Rockwool Intern. A/S (Denmark)

17

 

 

 

Pittsburgh Plate Glass Co.(US)

17

 

 

 

Corning Glass Works  (US)

17

 

 

 

Pilkington Insulation Ltd. (GB)

17

 

 

 

Corning S.A. (FR)

17

 

 

 

The B.F.Goodrich Co. (US)

17

 

 

 

Tokyo Shibaura Electric Co. (JP)

17

 

 

 

Asahi  Glass Co., Ltd. (JP)

16

 

 

 

Rockwool International (DK)

16

 

 

 

Owens-Illinois, Inc.  (US)

16

 

 

 

VEB Jenaer Glaswerk Schott & Gen. (DE)

16

 

 

 

The General Electric Co., Ltd. (GB)

16

 

 

 

The English Electric Co., Ltd. (GB)

16

 

 

 

Saint-Gobain Emballage (FR)

15

 

 

 

Asahi Glass Co., Ltd.(JP)

15

 

 

 

Asahi Techno Glass Corp. (JP)

15

 

 

 

E.I.Du Pont de Nemours and Co. (US)

15

 

 

 

Ivoclar AG (LI)

15

 

 

 

Bausch and Lomb Inc. (US)

15

 

 

 

Gos.Inst.Stekla (USSR)

14

 

 

 

Kodak Ltd. (GB)

14

 

 

 

Minolta Camera KK (JP)

14

 

 

 

Nippon Selfoc Kabushiki Kaisha (JP)

14

 

 

 

Fuji Photo Film Co., Ltd. (JP)

14

 

 

 

Motorola Inc. (US)

14

 

 

 

Intern. Standard Electric Corp. (US)

14

 

 

 

Guardian Ind.Corp. (US)

14

 

 

 

Anvar Agence Nationale de Valorisation de la Recherche (FR)

14

 

 

 

Kodak-Pathe (FR)

14

 

 

 

U.S. Philips Corp. (US)

14

 

 

 

Yamato Electronic Co., Ltd. (JP)

14

 

 

 

The Curators of the University of Missouri (US)

14

 

 

 

Evanite Fiber Corp. (US)

13

 

 

 

Nihon Denki Glass KK (JP)

13

 

 

 

Matsushita Electric Ind. Co. Ltd (JP)

13

 

 

 

Owens Illinois Inc. (US)

13

 

 

 

Central Glass Co., Ltd (JP)

13

 

 

 

Kanebo Ltd. (JP)

13

 

 

 

Jenaer Glaswerk Schott and Gen.  (DD)

13

 

 

 

British Telecommunications Public Ltd. Co. (GB)

13

 

 

 

Libbey-Owens-Ford Co.  (US)

13

 

 

 

Owens-Corning Fiberglas Technology Inc. (US)

13