I poured boiled sugar into silicone ice cube trays. I filled only half way to get thinner chips. I tried the 50/50 ratio at first and had problems with spotting. I was told a 1:3 ratio corn sryup/sugar would be better (and it was).
This is the recipe I used (Boiled to 29

. I took much longer to boil to temp but worked out well.
2 cups water
1 cup corn syrup
3 1/2 cups sugar
1/4 tsp. cream of tartar (added at 280)
http://cakecentral.com/gallery/2138742
Good luck.