RESIN SEALING METHOD, MOLD FOR RESIN SEALING, AND RESIN SEALING APPARATUS
A resin sealing method includes the steps of providing an intermediate mold between an upper mold and a lower mold, the intermediate mold having a cavity forming part where a resin sealed part is received; and introducing sealing resin into the cavity forming part of the intermediate mold and another main surface of the intermediate mold via a runner, the runner being provided in a vicinity of the cavity forming part of the intermediate mold and piercing the intermediate mold in a thickness direction.
1 . A resin sealing method comprising the steps of:
providing an intermediate mold between an upper mold and a lower mold, the intermediate mold having a cavity forming part where a resin sealed part is received; and
introducing sealing resin into the cavity forming part of the intermediate mold and another main surface of the intermediate mold via a runner, the runner being provided in a vicinity of the cavity forming part of the intermediate mold and piercing the intermediate mold in a thickness direction.
2 . The resin sealing method as claimed in claim 1 ,
wherein a cavity forming part is provided in a surface of the lower mold facing the intermediate mold; and
the resin sealed part is received in the cavity forming part of the lower mold.
3 . The resin sealing method as claimed in claim 1 ,
wherein the cavity forming parts are formed in an upper surface and a lower surface of the intermediate mold.
4 . The resin sealing method as claimed in claim 3 ,
wherein the cavity forming parts formed in the upper surface and the lower surface of the intermediate mold have different configurations.
5 . The resin sealing method as claimed in claim 3 ,
wherein the sealing resin is supplied from a single resin supplying source to the plural cavity forming parts.
6 . The resin sealing method as claimed in claim 3 ,
wherein the sealing resin is independently supplied to the plural cavity forming parts.
7 . The resin sealing method as claimed in claim 1 ,
wherein the intermediate mold is heated at a designated temperature at the time of mold clamping.
8 . A resin sealing method comprising the steps of:
providing a plurality of the intermediate molds between an upper mold and a lower mold, the intermediate molds having cavity forming parts where resin sealed parts are received; and
introducing sealing resin into the cavity forming part of each of the intermediate molds via a runner, the runner being provided in the vicinities of the cavity forming parts of the stacked intermediate molds and piercing the intermediate molds in a stacking direction.
9 . The resin sealing method as claimed in claim 8 ,
wherein the sealing resin is supplied from a single resin supplying source to the plural cavity forming parts.
10 . The resin sealing method as claimed in claim 8 ,
wherein the sealing resin is independently supplied to the plural cavity forming parts.
11 . The resin sealing method as claimed in claim 8 ,
wherein each of the plural cavity forming parts has a different configuration.
12 . A mold for resin sealing, comprising:
an upper mold;
a lower mold; and
at least one intermediate mold provided between the upper mold and the lower mold;
wherein the intermediate mold includes
a cavity forming part formed in at least one of main surfaces of the intermediate mold and configured to receive a resin sealed part; and
a runner provided in the vicinity of the cavity forming part and piercing the intermediate mold in a thickness direction.
13 . The mold for resin sealing as claimed in claim 12 ,
wherein plurality of the intermediate molds are stacked; and
the sealing resin is supplied from a single resin supplying source to plural of the cavity forming parts.
14 . The mold for resin sealing as claimed in claim 12 ,
wherein plural of the intermediate molds are stacked; and
the sealing resin is independently supplied to plural of the cavity forming parts.
15 . The mold for resin sealing as claimed in claim 14 ,
wherein each of plural of the cavity forming parts has a different configuration.
16 . The mold for resin sealing as claimed in claim 12 ,
wherein plural of the cavity forming parts are formed in an upper surface and a lower surface of the intermediate mold.
17 . The mold for resin sealing as claimed in claim 16 ,
wherein plural of the cavity forming parts formed in an upper surface and a lower surface of the intermediate mold have different configurations.
18 . A resin sealing apparatus, comprising:
an upper mold;
a lower mold; and
at least one intermediate mold provided between the upper mold and the lower mold;
wherein the intermediate mold includes
a cavity forming part formed in at least one of main surfaces of the intermediate mold and configured to receive a resin sealed part; and
a runner provided in the vicinity of the cavity forming part and piercing the intermediate mold in a thickness direction.
19 . The resin sealing apparatus as claimed in claim 18 , further comprising:
a heating part configured to heat the intermediate mold at a designated temperature at the time of mold clamping.