| Predicate |
Object |
| classificationCPCAdditional |
http://rdf.ncbi.nlm.nih.gov/pubchem/patentcpc/Y10T29-49044 |
| classificationCPCInventive |
http://rdf.ncbi.nlm.nih.gov/pubchem/patentcpc/C25D3-562
http://rdf.ncbi.nlm.nih.gov/pubchem/patentcpc/C25D5-10
http://rdf.ncbi.nlm.nih.gov/pubchem/patentcpc/C25D5-18 |
| classificationIPCInventive |
http://rdf.ncbi.nlm.nih.gov/pubchem/patentipc/C25D5-18
http://rdf.ncbi.nlm.nih.gov/pubchem/patentipc/C25D5-10
http://rdf.ncbi.nlm.nih.gov/pubchem/patentipc/C25D3-56 |
| filingDate |
2001-09-13-04:00^^<http://www.w3.org/2001/XMLSchema#date> |
| inventor |
http://rdf.ncbi.nlm.nih.gov/pubchem/patentinventor/MD5_e7d4889c19b72b66b630eba9e6c830c9
http://rdf.ncbi.nlm.nih.gov/pubchem/patentinventor/MD5_0942aa51bc61f862416bacab84506137
http://rdf.ncbi.nlm.nih.gov/pubchem/patentinventor/MD5_8a712f74dcd4a7cf9d7076c2dde642b0 |
| publicationDate |
2002-10-24-04:00^^<http://www.w3.org/2001/XMLSchema#date> |
| publicationNumber |
US-2002154442-A1 |
| titleOfInvention |
Magnetic head for hard disk drive having varied composition nickel-iron alloy magnetic poles |
| abstract |
A magnetic head for a hard disk drive. The magnetic poles of the head are formed with a NiFe alloy having a graduated composition in which a higher Fe concentration is fabricated proximate the write gap layer between the magnetic poles. Each magnetic pole is fabricated in a single electroplating step in which the duty cycle of the electroplating current is altered during the electroplating operation. Where the duty cycle is greatest the Fe ion concentration is likewise greatest. |
| priorityDate |
2001-04-20-04:00^^<http://www.w3.org/2001/XMLSchema#date> |
| type |
http://data.epo.org/linked-data/def/patent/Publication |