http://rdf.ncbi.nlm.nih.gov/pubchem/patent/CN-111050495-B
Outgoing Links
| Predicate | Object |
|---|---|
| classificationCPCAdditional | http://rdf.ncbi.nlm.nih.gov/pubchem/patentcpc/H05K2203-107 http://rdf.ncbi.nlm.nih.gov/pubchem/patentcpc/H05K2203-03 |
| classificationCPCInventive | http://rdf.ncbi.nlm.nih.gov/pubchem/patentcpc/H05K3-4632 |
| classificationIPCInventive | http://rdf.ncbi.nlm.nih.gov/pubchem/patentipc/H05K3-46 |
| filingDate | 2018-10-12-04:00^^<http://www.w3.org/2001/XMLSchema#date> |
| grantDate | 2023-01-13-04:00^^<http://www.w3.org/2001/XMLSchema#date> |
| publicationDate | 2023-01-13-04:00^^<http://www.w3.org/2001/XMLSchema#date> |
| publicationNumber | CN-111050495-B |
| titleOfInvention | Inner layer manufacturing method of multi-layer thick copper plate |
| abstract | The invention provides a method for making an inner layer of a multilayer thick copper plate, which comprises the steps of: obtaining a copper foil plate, and performing surface treatment on the copper foil plate; using a laser cutting method to perform graphic processing on the copper foil plate to form a pre-programmed Graphics; Add prepreg between two copper foil plates and stack them sequentially; Carry out vacuum heating and pressing to form a laminate. The present invention adopts laser cutting copper foil, and the slit width is small, that is, the line spacing between the lines is small; the laser cutting process does not require chemical etching, and the whole process is environmentally friendly and pollution-free; at the same time, the slit edge is flat, and there is no side erosion phenomenon of chemical etching , which further enhances the instantaneous current impact resistance of the coil, and at the same time increases the consistency of the product; during the copper foil cutting process, the gap is filled with resin, which can prevent partial graphics from falling off on the one hand and enhance the stability of the graphics. On the one hand, filling the gaps of the graphics with resin in advance can reduce the number of layers of prepregs during lamination and reduce the thickness of the finished product. |
| priorityDate | 2018-10-12-04:00^^<http://www.w3.org/2001/XMLSchema#date> |
| type | http://data.epo.org/linked-data/def/patent/Publication |
Incoming Links
Total number of triples: 16.