IPC분류정보
국가/구분 |
United States(US) Patent
등록
|
국제특허분류(IPC7판) |
|
출원번호 |
UP-0355175
(2006-02-16)
|
등록번호 |
US-7829982
(2010-11-25)
|
우선권정보 |
JP-P2005-042133(2005-02-18); JP-P2005-088180(2005-03-25) |
발명자
/ 주소 |
- Shirasaka, Kenichi
- Saitoh, Hiroshi
|
출원인 / 주소 |
|
대리인 / 주소 |
|
인용정보 |
피인용 횟수 :
3 인용 특허 :
1 |
초록
▼
A lead frame includes a frame body defining an internal region, a plurality of leads extending from the frame body, and first and second stages that are disposed in the internal region. The first and second stages are sloped and are parallel to a first line along which a primary stream of a molten r
A lead frame includes a frame body defining an internal region, a plurality of leads extending from the frame body, and first and second stages that are disposed in the internal region. The first and second stages are sloped and are parallel to a first line along which a primary stream of a molten resin runs, so that slope angles of the stages are not substantially changed by the injection of the molten resin into the cavity.
대표청구항
▼
What is claimed is: 1. A lead frame, comprising: a frame body that defines an internal region that is rectangular in shape and has four corners, the frame body extending in a first plane and having a first line that runs diagonally across the internal region between first opposite corners of the in
What is claimed is: 1. A lead frame, comprising: a frame body that defines an internal region that is rectangular in shape and has four corners, the frame body extending in a first plane and having a first line that runs diagonally across the internal region between first opposite corners of the internal region, the internal region comprising first and second sub-regions that are separated from each other by the first line; a plurality of leads that extend from the frame body; a first stage being disposed in the first sub-region and extending in a second plane that is parallel to the first line and tilts from the first plane, and the first stage being connected to the frame body so as to be distanced from the first line; and a second stage being disposed in the second sub-region and extending in a third plane that is parallel to the first line and tilts from the first plane and the second plane and the second stage being connected to the frame body so as to be distanced from the first line, wherein the first and second stages are disposed symmetrically to each other with reference to a reflection-symmetric axis that is aligned to the first line. 2. The lead frame according to claim 1, wherein the first and second stages are distanced from the plurality of leads. 3. The lead frame according to claim 1, wherein the first and second stages are disposed on a second line that runs between second opposite corners of the internal region. 4. The lead frame according to 1, further comprising: a first connector that mechanically connects the first stage to the frame body, the first connector being bent on a third line that is parallel to the first line, the first connector being distanced from the first line, and a second connector that mechanically connects the second stage to the frame body, the second connector being bent on a fourth line that is parallel to the first line, the second connector being distanced from the first line. 5. The lead frame according to claim 4, wherein: the first connector comprises a first connection portion that extends along a second line between the first stage and the frame body, the second line running between second opposite corners of the internal region; and the second connector comprises a second connection portion that extends along the second line between the second stage and the frame body. 6. The lead frame according to claim 5, wherein: the first connector further comprises a pair of third connections that extend from a first pair of two adjacent sides of the frame body, the first pair of two adjacent sides is closer to the first connector; and the second connector further comprises a pair of fourth connections that extend from a second pair of two adjacent sides of the frame body, the second pair of two adjacent sides is closer to the second connector. 7. The lead frame according to claim 4, wherein: the first connector further comprises a pair of third connections that extend from a first pair of two adjacent sides of the frame body, the first pair of two adjacent sides is closer to the first connector; and the second connector further comprises a pair of fourth connections that extend from a second pair of two adjacent sides of the frame body, the second pair of two adjacent sides is closer to the second connector. 8. The lead frame according to claim 4, wherein: the first stage has a first center line that is perpendicular to the first line; and the second stage has a second center line that is aligned to the first center line. 9. The lead frame according to claim 1, further comprising: a first projecting structure that extends from the first stage in a first direction, the first direction tilting from the second plane; and a second projecting structure that extends from the second stage in a second direction, the second direction tilting from the third plane. 10. A sensor comprising: a frame body that defines an the internal region has having a rectangle shape and four corners, the frame body extending in a first plane and having a first line that runs diagonally across the internal region between first opposite corners of the internal region, the internal region comprising first and second sub-regions that are separated from each other by the first line; a plurality of leads that extend from the frame body; a first stage being disposed in the first sub-region and extending in a second plane that is parallel to the first line and tilts from the first plane, and the first stage being connected to the frame body so as to be distanced from the first line and the plurality of leads; a second stage being disposed in the second sub-region and extending in a third plane that is parallel to the first line and tilts from the first plane and the second plane, and the second stage being connected to the frame body so as to be distanced from the first line and the plurality of leads; a first sensor chip that is supported on the first stage; a second sensor chip that is supported on the second stage; a first connector that mechanically connects the first stage to the frame body, the first connector being bent on a second line that is parallel to the first line and being distanced from the first line; and a second connector that mechanically connects the second stage to the frame body, the second connector being bent on a third line that is parallel to the first line and being distanced from the first line, wherein the first and second stages are disposed on a fourth line that runs between second opposite corners of the internal region, and wherein the first and second stages are disposed symmetrically to each other with reference to a reflection-symmetric axis that is aligned to the first line. 11. A lead frame structure to be used for forming a sensor, the lead frame structure comprising: a frame body that defines an internal region having a rectangle shape and has four corners, the frame body extending in a first plane and a first line that runs diagonally across the internal region between first opposite corners of the internal region, the internal region comprising first and second sub-regions that are separated from each other by the first line; a plurality of leads that extend from the frame body; a first stage being disposed in the first sub-region and extending in the first plane that is parallel to the first line, and the first stage being connected to the frame body so as to be distanced from the first line and the plurality of leads; a second stage being disposed in the second sub-region and extending in the first plane that is parallel to the first line, the second stage being connected to the frame body so as to be distanced from the first line and the plurality of leads; a first connector that mechanically connects the first stage to the frame body, the first connector being configured to be bendable on a second line that is parallel to the first line and to be distanced from the first line, and a second connector that mechanically connects the second stage to the frame body, the second connector being configured to be bendable on a third line that is parallel to the first line and to be distanced from the first line, wherein the first and second stages are disposed on a fourth line that runs between second opposite corners of the internal region, and wherein the first and second stages are disposed symmetrically to each other with reference to a reflection-symmetric axis that is aligned to the first line.
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