Class information for:
Level 1: PERPENDICULAR MAGNETIC RECORDING//PERPENDICULAR RECORDING//PERPENDICULAR RECORDING MEDIA

Basic class information

ID Publications Average number
of references
Avg. shr. active
ref. in WoS
2838 2060 14.4 75%



Bar chart of Publication_year

Last years might be incomplete

Classes in level above (level 2)



ID, lev.
above
Publications Label for level above
807 11362 PERPENDICULAR MAGNETIC RECORDING//IEEE TRANSACTIONS ON MAGNETICS//PERPENDICULAR RECORDING

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 PERPENDICULAR MAGNETIC RECORDING Author keyword 170 55% 10% 214
2 PERPENDICULAR RECORDING Author keyword 168 62% 8% 174
3 PERPENDICULAR RECORDING MEDIA Author keyword 106 74% 4% 78
4 SOFT UNDERLAYER Author keyword 72 93% 1% 27
5 SINGLE POLE HEAD Author keyword 61 95% 1% 20
6 PERPENDICULAR MEDIA Author keyword 41 58% 2% 47
7 RIEC Address 35 35% 4% 82
8 SOFT MAGNETIC UNDERLAYER Author keyword 27 72% 1% 21
9 COPTCR SIO2 Author keyword 26 80% 1% 16
10 EXCHANGE COUPLED COMPOSITE MEDIA Author keyword 23 76% 1% 16

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 PERPENDICULAR MAGNETIC RECORDING 170 55% 10% 214 Search PERPENDICULAR+MAGNETIC+RECORDING Search PERPENDICULAR+MAGNETIC+RECORDING
2 PERPENDICULAR RECORDING 168 62% 8% 174 Search PERPENDICULAR+RECORDING Search PERPENDICULAR+RECORDING
3 PERPENDICULAR RECORDING MEDIA 106 74% 4% 78 Search PERPENDICULAR+RECORDING+MEDIA Search PERPENDICULAR+RECORDING+MEDIA
4 SOFT UNDERLAYER 72 93% 1% 27 Search SOFT+UNDERLAYER Search SOFT+UNDERLAYER
5 SINGLE POLE HEAD 61 95% 1% 20 Search SINGLE+POLE+HEAD Search SINGLE+POLE+HEAD
6 PERPENDICULAR MEDIA 41 58% 2% 47 Search PERPENDICULAR+MEDIA Search PERPENDICULAR+MEDIA
7 SOFT MAGNETIC UNDERLAYER 27 72% 1% 21 Search SOFT+MAGNETIC+UNDERLAYER Search SOFT+MAGNETIC+UNDERLAYER
8 COPTCR SIO2 26 80% 1% 16 Search COPTCR+SIO2 Search COPTCR+SIO2
9 EXCHANGE COUPLED COMPOSITE MEDIA 23 76% 1% 16 Search EXCHANGE+COUPLED+COMPOSITE+MEDIA Search EXCHANGE+COUPLED+COMPOSITE+MEDIA
10 PERPENDICULAR MAGNETIC RECORDING MEDIA 21 52% 1% 29 Search PERPENDICULAR+MAGNETIC+RECORDING+MEDIA Search PERPENDICULAR+MAGNETIC+RECORDING+MEDIA

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 PERPENDICULAR MEDIA 61 62% 3% 63
2 RECORDING MEDIA 48 20% 10% 216
3 PERPENDICULAR RECORDING MEDIA 43 66% 2% 40
4 TERABIT 37 59% 2% 41
5 COUPLED COMPOSITE MEDIA 33 75% 1% 24
6 1 TB IN2 32 68% 1% 28
7 COMPOSITE MEDIA 32 39% 3% 65
8 SPRING MEDIA 30 100% 1% 12
9 SQUARE INCH 23 49% 2% 35
10 SWITCHING FIELD DISTRIBUTIONS 22 81% 1% 13

Journals

Reviews



Title Publ. year Cit. Active references % act. ref.
to same field
Perpendicular recording media for hard disk drives 2007 171 155 63%
The transition from longitudinal to perpendicular recording 2007 117 160 71%
Nanofabricated and self-assembled magnetic structures as data storage media 2005 428 196 25%
Recording media research for future hard disk drives 2009 57 99 56%
Patterned magnetic recording media 2001 510 127 15%
Perpendicular magnetic recording: Writing process 2004 42 22 77%
Development of high density magnetic recording media for hard disk drives: materials science issues and challenges 2009 16 136 42%
Perpendicular magnetic recording: Playback 2005 12 30 63%
Physics of perpendicular recording with a patterned soft underlayer 2007 3 32 66%
Perpendicular magnetic recording-Its development and realization 2009 1 7 57%

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 RIEC 35 35% 4.0% 82
2 SAN JOSE 18 22% 3.5% 73
3 DATA STORAGE DEV 15 88% 0.3% 7
4 NANOMAGNET SYST 13 49% 1.0% 20
5 DATA STORAGE SYST 13 15% 3.8% 79
6 MEDIA DEV 13 69% 0.5% 11
7 MAGNET RECORDING 10 13% 3.3% 69
8 HEAD BUSINESS GRP 9 67% 0.4% 8
9 NANOSCALE MAGNET DEVICES 9 67% 0.4% 8
10 MICROMAGNET INFORMAT TECHNOL 7 26% 1.1% 23

Related classes at same level (level 1)



Rank Relatedness score Related classes
1 0.0000189429 COMPOSITIONAL SEPARATION//LONGITUDINAL MEDIA//ORIENTATION RATIO
2 0.0000175970 UPR 6412//PT CR CO MULTILAYER//UPR 020
3 0.0000167642 MICROWAVE ASSISTED MAGNETIC RECORDING MAMR//TOGGLE MRAM//PRECESSIONAL SWITCHING
4 0.0000146369 FEPT//FEPT NANOPARTICLES//L10 PHASE
5 0.0000130284 MAGNETIC RECORDING READING HEADS//OFF TRACK CAPABILITY//INFORMAT STORAGE TECHNOL
6 0.0000101697 PRML SYSTEM//TWO DIMENSIONAL MAGNETIC RECORDING TDMR//DIGITAL MAGNETIC RECORDING
7 0.0000083413 NANOSPIN SPINTRON MAT//COSIB//PERPENDICULAR MAGNETIC ANISOTROPY
8 0.0000078986 MAGNETIC FORCE MICROSCOPY//TYPE I MAGNETIC CONTRAST//MAGNETIC FORCE MICROSCOPY TIP
9 0.0000077178 MAGNETIC ANTIDOTS//MAGNETIC NETWORKS//ANTIDOT ARRAYS
10 0.0000073997 HEAT ASSISTED MAGNETIC RECORDING HAMR//ULTRAFAST DEMAGNETIZATION//ULTRAFAST MAGNETIZATION DYNAMICS