KR19980026609U - 리드 프레임 - Google Patents
리드 프레임 Download PDFInfo
- Publication number
- KR19980026609U KR19980026609U KR2019960039505U KR19960039505U KR19980026609U KR 19980026609 U KR19980026609 U KR 19980026609U KR 2019960039505 U KR2019960039505 U KR 2019960039505U KR 19960039505 U KR19960039505 U KR 19960039505U KR 19980026609 U KR19980026609 U KR 19980026609U
- Authority
- KR
- South Korea
- Prior art keywords
- semiconductor chip
- lead
- paddle
- lead paddle
- lead frame
- Prior art date
Links
- 239000004065 semiconductor Substances 0.000 claims abstract description 45
- 238000000034 method Methods 0.000 claims abstract description 13
- BQCADISMDOOEFD-UHFFFAOYSA-N Silver Chemical compound [Ag] BQCADISMDOOEFD-UHFFFAOYSA-N 0.000 claims description 2
- 238000005530 etching Methods 0.000 claims description 2
- 238000007747 plating Methods 0.000 claims description 2
- 229910052709 silver Inorganic materials 0.000 claims description 2
- 239000004332 silver Substances 0.000 claims description 2
- 238000010586 diagram Methods 0.000 description 2
Classifications
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01L—SEMICONDUCTOR DEVICES NOT COVERED BY CLASS H10
- H01L23/00—Details of semiconductor or other solid state devices
- H01L23/48—Arrangements for conducting electric current to or from the solid state body in operation, e.g. leads, terminal arrangements ; Selection of materials therefor
- H01L23/488—Arrangements for conducting electric current to or from the solid state body in operation, e.g. leads, terminal arrangements ; Selection of materials therefor consisting of soldered or bonded constructions
- H01L23/495—Lead-frames or other flat leads
- H01L23/49503—Lead-frames or other flat leads characterised by the die pad
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01L—SEMICONDUCTOR DEVICES NOT COVERED BY CLASS H10
- H01L23/00—Details of semiconductor or other solid state devices
- H01L23/48—Arrangements for conducting electric current to or from the solid state body in operation, e.g. leads, terminal arrangements ; Selection of materials therefor
- H01L23/488—Arrangements for conducting electric current to or from the solid state body in operation, e.g. leads, terminal arrangements ; Selection of materials therefor consisting of soldered or bonded constructions
- H01L23/495—Lead-frames or other flat leads
- H01L23/49575—Assemblies of semiconductor devices on lead frames
Landscapes
- Physics & Mathematics (AREA)
- Condensed Matter Physics & Semiconductors (AREA)
- General Physics & Mathematics (AREA)
- Engineering & Computer Science (AREA)
- Computer Hardware Design (AREA)
- Microelectronics & Electronic Packaging (AREA)
- Power Engineering (AREA)
- Die Bonding (AREA)
Abstract
Description
Claims (4)
- 반도체칩이 본딩되어 실장될 리드 패들과 리드 패들위에 본딩되어 반도체칩이 실장될 부위의 가장자리에 형성된 다수개의 리드로 구성된 리드 프레임에 있어서,상기 리드 패들위에 십자 모양의 리드 패들 중심선과, 정사각형 또는 직사각형 모양의 반도체칩 실장기준선이 표시된 것을 특징으로 하는 리드 프레임.
- 제 1 항에 있어서,리드 패들위의 리드 패들 중심선과 반도체칩 실장기준선은 에칭 기법에 의하여 형성된 것을 특징으로 하는 리드 프레임.
- 제 1 항에 있어서,리드 패들위의 리드 패들 중심선과 반도체칩 실장기준선은 인쇄에 의하여 형성된 것을 특징으로 하는 리드 프레임.
- 제 1 항에 있어서,리드 패들위의 리드 패들 중심선과 반도체칩 실장기준선은 은(Ag)도금에 의하여 형성된 것을 특징으로 하는 리드 프레임.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
KR2019960039505U KR19980026609U (ko) | 1996-11-12 | 1996-11-12 | 리드 프레임 |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
KR2019960039505U KR19980026609U (ko) | 1996-11-12 | 1996-11-12 | 리드 프레임 |
Publications (1)
Publication Number | Publication Date |
---|---|
KR19980026609U true KR19980026609U (ko) | 1998-08-05 |
Family
ID=53982975
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
KR2019960039505U KR19980026609U (ko) | 1996-11-12 | 1996-11-12 | 리드 프레임 |
Country Status (1)
Country | Link |
---|---|
KR (1) | KR19980026609U (ko) |
-
1996
- 1996-11-12 KR KR2019960039505U patent/KR19980026609U/ko not_active Application Discontinuation
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
UA0108 | Application for utility model registration |
Comment text: Application for Utility Model Registration Patent event code: UA01011R08D Patent event date: 19961112 |
|
UG1501 | Laying open of application | ||
A201 | Request for examination | ||
UA0201 | Request for examination |
Patent event date: 19991111 Patent event code: UA02012R01D Comment text: Request for Examination of Application Patent event date: 19961112 Patent event code: UA02011R01I Comment text: Application for Utility Model Registration |
|
E902 | Notification of reason for refusal | ||
UE0902 | Notice of grounds for rejection |
Comment text: Notification of reason for refusal Patent event code: UE09021S01D Patent event date: 20010928 |
|
N231 | Notification of change of applicant | ||
UN2301 | Change of applicant |
Comment text: Notification of Change of Applicant Patent event code: UN23011R01D Patent event date: 20011123 |
|
E601 | Decision to refuse application | ||
UE0601 | Decision on rejection of utility model registration |
Comment text: Decision to Refuse Application Patent event code: UE06011S01D Patent event date: 20020111 |