Subject 796F (746F)

Bulletin Dated: May 16, 2011

SUMMARY OF TOPICS

The following topics were discussed at the meeting of the Standards Technical Panel for Flexible Materials Interconnect Constructions, STP 796F:

1. Proposal to Revise Requirements for Testing Conditions Described in Paragraph 4.2 of UL 746F

2. Proposal to Revise Requirements for IR and TGA Sample Construction in Table 8.2 of UL 746F

3. Proposal to Revise a Requirement for IR Analysis Adhesive Only in Table 8.2 of UL 746F

4. Proposal to Clarify Requirements for Dielectric Material LTTA in Table 8.3 of UL 746F

5. Proposal to Clarify Requirements for Flammability Samples in New Paragraph 11.4.1 of UL 746F

6. Proposal to Clarify Sample Requirements for Bond Strength Test in Paragraphs 14.3.1 and 14.5.7 of UL 746F

7. Proposal to Revise Requirements for Evaluating Asymmetrical Samples in Paragraphs 15.5.1 and 15.6.1 of UL 746F

8. Proposal to Provide Tolerance for Dimensions of Conductor in Figure 17.1 of UL 746F

9. Proposal to Revise Requirements for the Repeated Flexing Test in Paragraph 17.5.8 of UL 746F

10. Proposal to Revise Requirements for Testing Conditions Described in Paragraph 5.1.5.3 of UL 796F

11. Proposal to Clarify Sample Requirements for Bond Strength Test in Paragraphs 5.6.5.2 and 5.6.5.3 of UL 796F

12. Proposal to Revise Requirements for Evaluating Asymmetrical Samples in Paragraphs 5.9.5.7 and 5.10.5.3 of UL 796F

13. Proposal to Add Sample Requirements for Flammability Tests on Conductive Paste Material in New Section 5.15.2 of UL 796F

Subject 796F (746F)

Bulletin Dated: May 10, 2010

SUMMARY OF TOPICS

The following topics were discussed at the meeting of the Standards Technical Panel for Flexible Materials Interconnect Constructions, STP 796F:

1. Proposal to Add Requirements for Conductive Paste Flammability Testing to Section 2.3 of UL 796F

2. Proposal to Revise Section 12 of UL 746F and Sections 5.2 and 6.5 of UL 796F to Standardize Multiple Solder Limit Investigations

3. Harmonization of UL 746F with Regards to Plastics Investigation Program for Films

Subject 796F (746F)

Bulletin Dated: May 4, 2009

SUMMARY OF TOPICS

The following topics were discussed at the meeting of the Standards Technical Panel for Flexible Materials Interconnect Constructions, STP 796F:

1. Solder Limit/Thermal Stress Testing

2. Conductive Paste Flammability Evaluations

3. Evaluation of All Films (Including QMFZ2 and QMTS2 Film Evaluations) in Accordance with UL 746F

4. Call for Volunteers for Flex STP Task Groups

5. Review of Comments to Proposals for UL 746F

Subject 796F (746F)

Bulletin Dated: May 5, 2008

SUMMARY OF TOPICS

The following topics were discussed at the meeting:

1. Status of UL’s Research Project to Review the Flammability Test for Very Thin Materials

2. Evaluation of Conductive Paste on Flexible Printed Wiring Boards

Subject 746F (796F)

Bulletin Dated: April 3, 2006

SUMMARY OF TOPICS

UL announces the availability of the First Edition of the Standard for Safety for Polymeric Materials - Flexible Dielectric Film Materials for Use in Printed-Wiring Boards and Flexible Materials Interconnect Constructions, UL 746F.