MY119490A - Feed-in apparatus in a rotary trim and form - Google Patents
Feed-in apparatus in a rotary trim and formInfo
- Publication number
- MY119490A MY119490A MYPI9502585A MY119490A MY 119490 A MY119490 A MY 119490A MY PI9502585 A MYPI9502585 A MY PI9502585A MY 119490 A MY119490 A MY 119490A
- Authority
- MY
- Malaysia
- Prior art keywords
- contours
- transporting
- cylinder
- circumferential
- lead frame
- Prior art date
Links
Abstract
A ROTARY TRIM AND FORM COMPRISING A ROTATING CYLINDRICAL PUNCH (305) AND A ROTATING CYLINDRICAL DIE (320), HAVING COMPLIMENTARY CIRCUMFERENTIAL TRIMMING CONTOURS (615) AND (620), FORMING CONTOURS (605) AND (610), AND TRANSPORTING CONTOURS (365) AND (367), FOR TRIMMING AND FORMING LEADS (110) OF DEVICES (105) PACKAGED IN A LEAD FRAME (100). THE ROTARY TRIM AND FORM INCLUDING A ROTATING FEED-IN CYLINDER (380) HAVING CIRCUMFERENTIAL TRANSPORTING CONTOURS (365) AND A SPRING WIRE (370) DISPOSED TANGENTIALLY AGAINST THE ROTATING FEED-IN CYLINDER (380) WHICH EXERTS PRESSURE ON THE LEAD FRAME (100) TO SYNCHRONISE THE CIRCUMFERENTIAL TRANSPORT CONTOURS (365) ON THE ROTATING FEED-IN CYLINDER (280) WITH THE TRANSPORT FEATURES (115) OF THE LEAD FRAME (100), PRIOR TO THE TRANSPORTING CONTOURS (365) OF THE ROTATING FEED-IN CYLINDER (380) TRANSPORTING THE SYNCHRONISED LEAD FRAME (100) TO THE CIRCUMFERENTIAL TRANSPORTING CONTOURS (365) ON THE ROTATING CYLINDRICAL PUNCH (305). (FIG.3)
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
MYPI9502585 MY119490A (en) | 1995-08-30 | 1995-08-30 | Feed-in apparatus in a rotary trim and form |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
MYPI9502585 MY119490A (en) | 1995-08-30 | 1995-08-30 | Feed-in apparatus in a rotary trim and form |
Publications (1)
Publication Number | Publication Date |
---|---|
MY119490A true MY119490A (en) | 2005-06-30 |
Family
ID=47227292
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
MYPI9502585 MY119490A (en) | 1995-08-30 | 1995-08-30 | Feed-in apparatus in a rotary trim and form |
Country Status (1)
Country | Link |
---|---|
MY (1) | MY119490A (en) |
Citations (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4801999A (en) * | 1987-07-15 | 1989-01-31 | Advanced Micro Devices, Inc. | Integrated circuit lead frame assembly containing voltage bussing and distribution to an integrated circuit die using tape automated bonding with two metal layers |
US5054188A (en) * | 1990-02-20 | 1991-10-08 | Micron Technology, Inc. | Trim cut and form machine |
US5432127A (en) * | 1989-06-30 | 1995-07-11 | Texas Instruments Incorporated | Method for making a balanced capacitance lead frame for integrated circuits having a power bus and dummy leads |
-
1995
- 1995-08-30 MY MYPI9502585 patent/MY119490A/en unknown
Patent Citations (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4801999A (en) * | 1987-07-15 | 1989-01-31 | Advanced Micro Devices, Inc. | Integrated circuit lead frame assembly containing voltage bussing and distribution to an integrated circuit die using tape automated bonding with two metal layers |
US5432127A (en) * | 1989-06-30 | 1995-07-11 | Texas Instruments Incorporated | Method for making a balanced capacitance lead frame for integrated circuits having a power bus and dummy leads |
US5054188A (en) * | 1990-02-20 | 1991-10-08 | Micron Technology, Inc. | Trim cut and form machine |
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