| Predicate |
Object |
| assignee |
http://rdf.ncbi.nlm.nih.gov/pubchem/patentassignee/MD5_c23a1323673a16fb6f1c1f6df4fe292b |
| classificationCPCInventive |
http://rdf.ncbi.nlm.nih.gov/pubchem/patentcpc/G11B5-1335
http://rdf.ncbi.nlm.nih.gov/pubchem/patentcpc/G11B5-1871
http://rdf.ncbi.nlm.nih.gov/pubchem/patentcpc/G11B5-3163 |
| classificationIPCInventive |
http://rdf.ncbi.nlm.nih.gov/pubchem/patentipc/G11B5-31
http://rdf.ncbi.nlm.nih.gov/pubchem/patentipc/G11B5-133
http://rdf.ncbi.nlm.nih.gov/pubchem/patentipc/G11B5-127
http://rdf.ncbi.nlm.nih.gov/pubchem/patentipc/G11B5-187 |
| filingDate |
1989-12-15-04:00^^<http://www.w3.org/2001/XMLSchema#date> |
| inventor |
http://rdf.ncbi.nlm.nih.gov/pubchem/patentinventor/MD5_330ec469a54ccc154e9ef7308af17e29
http://rdf.ncbi.nlm.nih.gov/pubchem/patentinventor/MD5_a28c66a839f475f830b5af9a1ff9d00d
http://rdf.ncbi.nlm.nih.gov/pubchem/patentinventor/MD5_d1bc9189cd3e6339e5309c1822cf6f1e
http://rdf.ncbi.nlm.nih.gov/pubchem/patentinventor/MD5_393e3c4a72e4afd1bb561a663e2a3a3e |
| publicationDate |
1990-07-04-04:00^^<http://www.w3.org/2001/XMLSchema#date> |
| publicationNumber |
EP-0376790-A1 |
| titleOfInvention |
Process for producing planar magnetic heads, and magnetic heads obtained by such a process |
| abstract |
The field of the invention is that of the simultaneous manufacture of a plurality of magnetic planar heads on a three-dimensional substrate intended to be cut to separate each head.n n n According to the invention, a drilling matrix (31 x, y ) is produced in a three-dimensional magnetic block (30); a non-magnetic material is injected into said holes (31 xy ); a pair of symmetrical, parallel lateral bores (32 xy , 33 xy ) are made on either side of each of said injections 31xy of non-magnetic material; the block (30) is cut into wafers, then magnetic heads are identified in each wafer after the formation of micro-openings in a deposit of magnetic material in a thin layer on the wafer. |
| priorityDate |
1988-12-27-04:00^^<http://www.w3.org/2001/XMLSchema#date> |
| type |
http://data.epo.org/linked-data/def/patent/Publication |