Class information for: |
Basic class information |
| ID | Publications | Average number of references |
Avg. shr. active ref. in WoS |
|---|---|---|---|
| 14749 | 683 | 10.3 | 50% |
Classes in level above (level 2) |
| ID, lev. above |
Publications | Label for level above |
|---|---|---|
| 1415 | 7520 | GE2SB2TE5//PHASE CHANGE MEMORY PCM//OPTICAL DISK |
Terms with highest relevance score |
| Rank | Term | Type of term | Relevance score (tfidf) |
Class's shr. of term's tot. occurrences |
Shr. of publ. in class containing term |
Num. of publ. in class |
|---|---|---|---|---|---|---|
| 1 | OPT MEMORY ENGN | Address | 34 | 70% | 4% | 28 |
| 2 | LAND GROOVE RECORDING | Author keyword | 13 | 61% | 2% | 14 |
| 3 | DIGITAL VERSATILE DISC | Author keyword | 13 | 62% | 2% | 13 |
| 4 | OPTICAL PICKUP | Author keyword | 11 | 40% | 3% | 22 |
| 5 | OPTICAL HEAD | Author keyword | 8 | 33% | 3% | 19 |
| 6 | OPTICAL PICKUP ACTUATOR | Author keyword | 8 | 62% | 1% | 8 |
| 7 | OPTICAL PICKUP HEAD | Author keyword | 7 | 38% | 2% | 15 |
| 8 | PRECIS RUMENT MECH | Address | 7 | 50% | 1% | 10 |
| 9 | OPT RECORDING TECHNOL DEV | Address | 6 | 80% | 1% | 4 |
| 10 | PICKUP HEAD | Author keyword | 6 | 45% | 1% | 10 |
Web of Science journal categories |
Author Key Words |
| Rank | Web of Science journal category | Relevance score (tfidf) |
Class's shr. of term's tot. occurrences |
Shr. of publ. in class containing term |
Num. of publ. in class |
LCSH search | Wikipedia search |
|---|---|---|---|---|---|---|---|
| 1 | LAND GROOVE RECORDING | 13 | 61% | 2% | 14 | Search LAND+GROOVE+RECORDING | Search LAND+GROOVE+RECORDING |
| 2 | DIGITAL VERSATILE DISC | 13 | 62% | 2% | 13 | Search DIGITAL+VERSATILE+DISC | Search DIGITAL+VERSATILE+DISC |
| 3 | OPTICAL PICKUP | 11 | 40% | 3% | 22 | Search OPTICAL+PICKUP | Search OPTICAL+PICKUP |
| 4 | OPTICAL HEAD | 8 | 33% | 3% | 19 | Search OPTICAL+HEAD | Search OPTICAL+HEAD |
| 5 | OPTICAL PICKUP ACTUATOR | 8 | 62% | 1% | 8 | Search OPTICAL+PICKUP+ACTUATOR | Search OPTICAL+PICKUP+ACTUATOR |
| 6 | OPTICAL PICKUP HEAD | 7 | 38% | 2% | 15 | Search OPTICAL+PICKUP+HEAD | Search OPTICAL+PICKUP+HEAD |
| 7 | PICKUP HEAD | 6 | 45% | 1% | 10 | Search PICKUP+HEAD | Search PICKUP+HEAD |
| 8 | OPTICAL DISK | 6 | 13% | 6% | 41 | Search OPTICAL+DISK | Search OPTICAL+DISK |
| 9 | COMPATIBLE PICKUP | 6 | 100% | 1% | 4 | Search COMPATIBLE+PICKUP | Search COMPATIBLE+PICKUP |
| 10 | SUBSIDIARY RESONANCE | 6 | 100% | 1% | 4 | Search SUBSIDIARY+RESONANCE | Search SUBSIDIARY+RESONANCE |
Key Words Plus |
| Rank | Web of Science journal category | Relevance score (tfidf) |
Class's shr. of term's tot. occurrences |
Shr. of publ. in class containing term |
Num. of publ. in class |
|---|---|---|---|---|---|
| 1 | DISK PICKUP | 7 | 48% | 2% | 11 |
| 2 | COUPLED FIELD ANALYSIS | 6 | 80% | 1% | 4 |
| 3 | PICKUP ACTUATOR | 6 | 100% | 1% | 4 |
| 4 | DATA STORAGE DEVICES | 4 | 75% | 0% | 3 |
| 5 | LAND GROOVE | 4 | 75% | 0% | 3 |
| 6 | PICKUP HEAD | 4 | 75% | 0% | 3 |
| 7 | OBJECTIVE LENS | 4 | 33% | 1% | 9 |
| 8 | OPTICAL DISKS | 3 | 32% | 1% | 9 |
| 9 | 2 WAVELENGTH LASER DIODE | 3 | 100% | 0% | 3 |
| 10 | MULTISEGMENTED MAGNET ARRAY | 3 | 100% | 0% | 3 |
Journals |
Reviews |
| Title | Publ. year | Cit. | Active references |
% act. ref. to same field |
|---|---|---|---|---|
| Mechatronics in optical head mechanisms - Review of drive technologies for optical disc drives | 1997 | 1 | 5 | 100% |
| APPLICATION OF POLYMERS TO AUDIOVISUAL MACHINERIES | 1992 | 0 | 1 | 100% |
| PRINCIPLES OF OPTICAL DISK DATA STORAGE | 2000 | 2 | 64 | 36% |
Address terms |
| Rank | Address term | Relevance score (tfidf) |
Class's shr. of term's tot. occurrences |
Shr. of publ. in class containing term |
Num. of publ. in class |
|---|---|---|---|---|---|
| 1 | OPT MEMORY ENGN | 34 | 70% | 4.1% | 28 |
| 2 | PRECIS RUMENT MECH | 7 | 50% | 1.5% | 10 |
| 3 | OPT RECORDING TECHNOL DEV | 6 | 80% | 0.6% | 4 |
| 4 | OPT MEM ENGN | 6 | 100% | 0.6% | 4 |
| 5 | ENGN OPT MEMORY | 3 | 100% | 0.4% | 3 |
| 6 | OMNERC | 3 | 100% | 0.4% | 3 |
| 7 | AV IT DEV GRP | 3 | 35% | 0.9% | 6 |
| 8 | PRECIS TECHNOL DEV | 2 | 30% | 0.9% | 6 |
| 9 | INFORMAT STORAGE DEVICE | 2 | 12% | 2.2% | 15 |
| 10 | ADV DEVICE TECHNOL DEV | 2 | 43% | 0.4% | 3 |
Related classes at same level (level 1) |
| Rank | Relatedness score | Related classes |
|---|---|---|
| 1 | 0.0000186918 | SOLID IMMERSION LENS//NEAR FIELD RECORDING//INFORMAT STORAGE DEVICE |
| 2 | 0.0000165233 | OPTICAL TAPE//PARALLEL RECORDING//CROSSTALK CANCELER |
| 3 | 0.0000118626 | SUPER RENS//SUPER RESOLUTION NEAR FIELD STRUCTURE//MASTERING |
| 4 | 0.0000083776 | HOLOGRAPHIC DATA STORAGE//HOLOGRAPHIC MEMORY//TERA BYTES MEMORY DEV |
| 5 | 0.0000070521 | MAGNETOOPTICAL DISK//MAGNETICALLY INDUCED SUPER RESOLUTION//DOMAIN EXPANSION |
| 6 | 0.0000066107 | OPTICAL INFORMATION SYSTEMS//MINI-MICRO SYSTEMS//OPTODEVICE |
| 7 | 0.0000065452 | HARD DISK DRIVE//HARD DISK DRIVE HDD//DUAL STAGE ACTUATOR |
| 8 | 0.0000056924 | PRML SYSTEM//TWO DIMENSIONAL MAGNETIC RECORDING TDMR//DIGITAL MAGNETIC RECORDING |
| 9 | 0.0000048801 | AZO AZOMETHINE//AZODERIVATIVES OF BETA DIKETONES//ARYLHYDRAZONES OF BETA DIKETONES |
| 10 | 0.0000047966 | OPTICAL IMAGING SCIENCE//UNIAXIAL CRYSTAL LENS//OPT OPTOELECT SECT |