Partner Websites: oxidation after double reflow (Page 20 of 21)

CF8 Documentation Package

GPD Global | https://www.gpd-global.com/co_website/pdf/lead-former/CF8-Doc-Package-801-1-01.pdf

perform the calculations and make minor adjustments to the settings after inspecting (measuring) sample formed components. 1. Identify the desired formed component elements in the figures accompanying the following calculation sections for the type of

GPD Global

CF8 Documentation Package

GPD Global | https://www.gpd-global.com/pdf/lead-former/CF8-Doc-Package-801-1-01.pdf

perform the calculations and make minor adjustments to the settings after inspecting (measuring) sample formed components. 1. Identify the desired formed component elements in the figures accompanying the following calculation sections for the type of

GPD Global

Surface Mount International

Surface Mount Technology Association (SMTA) | https://www.smta.org/icsr/speaker_forms/Paper-Format-Requirements.doc

side reflow Ensure a robust surface finish that remains solderable after 2 heat cycles. In circuit test strain limits could be larger with thicker boards. ICT stress must be minimal to prevent BGA fracture Ensure low contact resistance on test points

Surface Mount Technology Association (SMTA)

IPC-J-STD-001 Chip Component Solder Joints - PCB Libraries Forum

PCB Libraries, Inc. | https://www.pcblibraries.com/forum/ipcjstd001-chip-component-solder-joints_topic2588_post11181.html

(G) 0.07 + 25% (H) 0.03 mm = 0.10 mm. But (G) is actually less than 0.05 mm after reflow. If the Toe pad length is too long, there will be excessive solder

PCB Libraries, Inc.

IPC-J-STD-001 Chip Component Solder Joints - PCB Libraries Forum

PCB Libraries, Inc. | https://www.pcblibraries.com/Forum/ipcjstd001-chip-component-solder-joints_topic2588_post11181.html

(G) 0.07 + 25% (H) 0.03 mm = 0.10 mm. But (G) is actually less than 0.05 mm after reflow. If the Toe pad length is too long, there will be excessive solder

PCB Libraries, Inc.

IPC-J-STD-001 Chip Component Solder Joints - PCB Libraries Forum

PCB Libraries, Inc. | https://www.pcblibraries.com/Forum/ipcjstd001-chip-component-solder-joints_topic2588_post12081.html

(G) 0.07 + 25% (H) 0.03 mm = 0.10 mm. But (G) is actually less than 0.05 mm after reflow. If the Toe pad length is too long, there will be excessive solder

PCB Libraries, Inc.

IPC-J-STD-001 Chip Component Solder Joints - PCB Libraries Forum

PCB Libraries, Inc. | https://www.pcblibraries.com/forum/ipcjstd001-chip-component-solder-joints_topic2588_post12079.html

(G) 0.07 + 25% (H) 0.03 mm = 0.10 mm. But (G) is actually less than 0.05 mm after reflow. If the Toe pad length is too long, there will be excessive solder

PCB Libraries, Inc.

IPC-J-STD-001 Chip Component Solder Joints - PCB Libraries Forum

PCB Libraries, Inc. | https://www.pcblibraries.com/Forum/ipcjstd001-chip-component-solder-joints_topic2588_post11251.html

(G) 0.07 + 25% (H) 0.03 mm = 0.10 mm. But (G) is actually less than 0.05 mm after reflow. If the Toe pad length is too long, there will be excessive solder

PCB Libraries, Inc.

IPC-J-STD-001 Chip Component Solder Joints - PCB Libraries Forum

PCB Libraries, Inc. | https://www.pcblibraries.com/forum/ipcjstd001-chip-component-solder-joints_topic2588_post10536.html

(G) 0.07 + 25% (H) 0.03 mm = 0.10 mm. But (G) is actually less than 0.05 mm after reflow. If the Toe pad length is too long, there will be excessive solder

PCB Libraries, Inc.

IPC-J-STD-001 Chip Component Solder Joints - PCB Libraries Forum

PCB Libraries, Inc. | https://www.pcblibraries.com/forum/topic2588&OB=ASC.html

(G) 0.07 + 25% (H) 0.03 mm = 0.10 mm. But (G) is actually less than 0.05 mm after reflow. If the Toe pad length is too long, there will be excessive solder

PCB Libraries, Inc.


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